Qualcomm Online Assessment | NIT Bhopal

Question 1

Question

Two positive integers have HCF 14 and LCM 840. If one of the numbers is 210, then how many positive factors does the other number have?

Options

[A] 10
[B] 6
[C] 8
[D] 12

Question 2

Question

A metro train leaves Station A for Station B at 54 km/h. Ten minutes later, a student realizes he left his bag on the train and hires a cab from Station A. The cab moves along the same route and catches the metro exactly at Station B. What is the distance from Station A to Station B?

Options

[A] 30 km
[B] 48 km
[C] 42 km
[D] 36 km

Question 3

Question

In a leap year, 26 January falls on a Monday. On which day of the week will 15 August fall in the same year?

Options

[A] Sunday
[B] Saturday
[C] Friday
[D] Monday

Question 4

Question

A triangle has side lengths 17 cm, 25 cm, and 28 cm. The area of the circle inscribed in the triangle is:

Options

[A] 64π cm²
[B] 25π cm²
[C] 49π cm²
[D] 36π cm²

Question 5

Question

The present ages of Ananya and Raj are 28 years and 36 years respectively. What will be the ratio of their ages after 12 years?

Options

[A] 5:6
[B] 7:8
[C] 3:2
[D] 4:5

Question 6

Question

From 4 different pens, how many ways can 2 pens be selected?

Options

[A] 12
[B] 6
[C] 2
[D] 4

Question 7

Question

Identify the wrong term in the series:

A3, D9, H27, M81, S243

Options

[A] M81
[B] D9
[C] H27
[D] No wrong term

Question 8

Question

Question image was not clearly readable in the provided upload.

Options

[A] Not visible
[B] Not visible
[C] Not visible
[D] Not visible

Question 9

Question

Question image was not clearly readable in the provided upload.

Options

[A] Not visible
[B] Not visible
[C] Not visible
[D] Not visible

Question 10

Question

The pie chart shows the distribution of 2400 volunteer hours among six activities: Park Restoration – 30%, River Clean-up – 25%, Waste Sorting – 17.5%, Awareness Drives – 12.5%, Food Distribution – 10%, First-Aid Support – 5%.

How many more volunteer hours were spent on Park Restoration than the average number of volunteer hours spent per activity?

Options

[A] 280
[B] 320
[C] 360
[D] 300

Question 11

Question

For River Clean-up, 1 clean-up kit was used for every 15 volunteer hours. For Waste Sorting, 1 sorting kit was used for every 21 volunteer hours. How many kits were used in total for these two activities?

Options

[A] 64
[B] 58
[C] 60
[D] 54

Question 12

Question

Awareness Drives generated 2 registrations for every 5 volunteer hours, while Food Distribution served 3 families for every 4 volunteer hours. How many more families were served than registrations generated?

Options

[A] 60
[B] 50
[C] 80
[D] 40

Question 13

Question

In an internal review, 25% of Food Distribution hours and 1/6 of River Clean-up hours were found to be weekend volunteer hours. What fraction of the total weekend hours from these two activities came from River Clean-up?

Options

[A] 2/3
[B] 5/8
[C] 7/10
[D] 3/5

Question 14

Question

An ordered pair (p, q) is selected at random such that both p and q are chosen from {1, 2, 3, 4, 5, 6}. Each ordered pair is equally likely. What is the probability that the fraction p/q is already in its simplest form?

Options

[A] 5/8
[B] 7/12
[C] 23/36
[D] 2/3

Question 15

Question

A chemistry lab needs 45 litres of a solution containing 10% salt. It has an 18% salt solution and pure water available. How many litres of the 18% salt solution should be used?

Options

[A] 20 litres
[B] 25 litres
[C] 27.5 litres
[D] 22.5 litres

Question 16

Question

Five friends Arjun, Bela, Charan, Divya, and Esha participated in a charity walkathon. Each walked at a different constant speed on a straight road from P to Q, covering 30 km.

Arjun walked 3 km/h faster than Bela.
Charan walked at the same speed as Divya.
Esha walked 2 km/h faster than Bela.
Arjun took exactly 5 hours, while Divya took exactly 3 hours.

How much time did Bela take to finish the walkathon?

Options

[A] 6 hours
[B] 10 hours
[C] 5 hours
[D] 12 hours

Question 17

Question

Using the same walkathon information, what is the difference between the speeds of Arjun and Esha?

Options

[A] 3 km/h
[B] 2 km/h
[C] 1 km/h
[D] 0 km/h

Question 18

Question

Using the same walkathon information, what is the sum of the time taken by Charan and Divya?

Options

[A] 4 hours
[B] 8 hours
[C] 10 hours
[D] 6 hours

Question 19

Question

Using the same walkathon information, what is the average of the speeds of Arjun and Divya?

Options

[A] 6.5 km/h
[B] 7.5 km/h
[C] 10 km/h
[D] 8 km/h

Question 20

Question

If the speeds of Arjun, Bela, and Charan are denoted by A, B, and C respectively, what is the value of (A + B)/C?

Options

[A] 1.2
[B] 1.6
[C] 0.9
[D] 0.5

Question 21

Question

Which of the below-given swapping method(s) is/are used by scheduling algorithms which schedule processes based on their priority?

I. Demand Paging II. Roll-in Roll-out III. Swap Prefetch

Options

[A] All (I), (II), and (III)
[B] Only (II) and (III)
[C] Only (II)
[D] Only (I) and (II)

Question 22

Question

What is the output of the following C program?

#include <stdio.h>

int main()
{
    static int i;
    call(++i);
    return 0;
}

int call(int t)
{
    int a[3];
    int w = 2, *p;
    p = (int *)&a;

    for (; *p;)
    {
        w = *p;
        *p = ++*p + t;
        printf("%d", p + w);
    }
}

Options

[A] 2
[B] 4
[C] Infinite loop
[D] Run time error

Question 23

Question

In which process state does the process wait to be assigned to a processor?

Options

[A] Terminated state
[B] Ready state
[C] Waiting state
[D] Running state

Question 24

Question

The given code intends to prompt the user to enter a number, read that number using scanf, and then print the entered number. Identify the line causing the error.

#include <stdio.h>   // Line 1

int main() {
    int num;
    printf("Enter a number: ");
    scanf("%d", num);    // Line 5
    printf("The entered number is: %d\n", num);   // Line 6
    return 0;
}

Options

[A] Line 5
[B] No Error
[C] Line 6
[D] Line 1

Question 25

Question

Which option is the correct reduced Boolean expression?

(A + A) · (A + B) = ?

Options

[A] 1
[B] A + B
[C] B
[D] A

Question 26

Question

What will be the output of the program given below?

#include <stdio.h>

int g = 0;

void fun(void *p)
{
    int (*q)() = p;
    g++;
    q();
}

int main()
{
    void *p = main;
    if (g <= 4)
        fun(p);
    else
        printf("%d", g++);
    return 0;
}

Options

[A] Compile time error
[B] 6
[C] 5
[D] 4

Question 27

Question

Consider the following function:

struct BST_Node { int data; struct BST_Node *left, *right; };

struct BST_Node *Fun(struct BST_Node *root, int data) { if (!root) return NULL;

if (data < root->data)
    return Fun(root->left, data);

if (data > root->data)
    return Fun(root->right, data);

return root;

}

What task does the above function perform?

Options

[A] Deletes an element from the BST
[B] Inserts an element into the BST
[C] Creates a Binary Search Tree node
[D] Searches for an element in the BST

Question 28

Question

Identify the error in the given code:

#include <stdio.h>

int main()
{
    int num = 5;
    int factorial = calculateFactorial(num);
    printf("Factorial of %d is: %d\n", num, factorial);
    return 0;
}

int calculateFactorial(int n)
{
    if (n == 0 || n == 1)
        return 1;
    else
        return n * calculateFactorial(n - 1);
}

Options

[A] Incorrect function declaration
[B] Syntax error in the main function
[C] Function prototype mismatch
[D] No Error

Question 29

Question

Given a stack S and a queue Q:

Stack S: 5, 6, 2, 13, 4, with TOP at 4. Queue Q: P, J, U, Q, with FRONT at P and REAR at Q.

After every addition to the stack, a corresponding deletion takes place in the queue, and the deleted element is added to the stack after the new element.

What will be the value at Q(FRONT) after these operations?

push(A), pop(), push(B), pop(), pop(), pop()

Options

[A] U
[B] P
[C] Q
[D] J

Question 30

Question

What is the resultant value after performing a NOT operation on the binary number 10011011?

Options

[A] 10011011
[B] 11111111
[C] 01100100
[D] 10101100

Question 31

Question

Which option is the correct reduced Boolean expression?

ABC + BC + AC = ?

Options

[A] AB + BC
[B] ABC
[C] AB
[D] C(A + B)

Question 32

Question

Which option gives the difference between the completion time and the arrival time of a process in process scheduling?

Options

[A] Burst time
[B] Ready queue time
[C] Turnaround time
[D] Waiting time

Question 33

Question

What will be the output of the following C program?

#include <stdio.h>

int main()
{
    char *b[] = {"dharma", "hewlett-packard", "siemens", "ibm"};
    char **p;
    p = b;

    printf("%s", ++*p);
    printf("%s", p++);
    printf("%s", ++*p);
    return 0;
}

Options

[A] ewlett-packardsiemensibm
[B] harmaharmaewlett-packard
[C] dharmahewlett-packardhewlett-packard
[D] harmaharmahewlett-packard

Question 34

Question

Construct a min heap from the elements:

10, 15, 8, 12, 17, 2

Which node is the sibling of 8?

Options

[A] 12
[B] 15
[C] 10
[D] 2

Question 35

Question

What will be the output of the program given below?

#include <stdio.h>

typedef volatile T;
int a = 15;
volatile T *ptr = &a;
T *volatile *ptr1 = &ptr;
int volatile *volatile **ptr2 = &ptr1;

int main()
{
    printf("%d %d %d", ++*ptr++, +++*ptr1--, ++++*ptr2++);
    return 0;
}

Options

[A] 16 17 18
[B] 16 15 16
[C] 18 17 16
[D] 16 17 19

Question 36

Question

What will be the output of the program given below?

#include <stdio.h>

int main()
{
    int x = 25;
    printf("%d %d %d\n", x, x << 2, x >> 2);
    return 0;
}

Options

[A] 25 50 100
[B] 25 27 24
[C] 25 100 6
[D] 25 75 15

Question 37

Question

Which option is the correct form after simplifying the Boolean expression?

B'D + BC'D + C'D

Options

[A] B' + C'D
[B] B'D + C'D
[C] B' + B + C'
[D] BD + C'D

Question 38

Question

What will be the output of the program given below?

#include <stdio.h>

int main()
{
    int a = 4;

    if (a ^ a && (a ^ a) || a)
        printf("%d", a);

    return 0;
}

Options

[A] 7
[B] 4
[C] 5
[D] 6

Question 39

Question

What is the minimum number of AND gates required for the expression?

PZ + NZ

Options

[A] 2
[B] 3
[C] 1
[D] 0

Question 40

Question

Consider a circular queue of size 5. Elements g, h, and b are already inserted.

Initially: FRONT = 2 REAR = 4

What will be the value of FRONT and REAR if one new element is inserted into the queue and two elements are deleted?

Options

[A] FRONT = 4 and REAR = 1
[B] FRONT = 3 and REAR = 0
[C] FRONT = 2 and REAR = 2
[D] FRONT = 4 and REAR = 0

Question 41

Question

What will be the REAR/TAIL and FRONT/HEAD after performing the following operations on an empty circular queue of size 3?

Enqueue(7), Enqueue(8), Dequeue(), Enqueue(4), Enqueue(9)

Note: Indexing starts from 0.

Options

[A] REAR = 2 and FRONT = 0
[B] REAR = 2 and FRONT = 1
[C] REAR = 3 and FRONT = 1
[D] REAR = 1 and FRONT = 2

Question 42

Question

Consider the truth table of a half subtractor:

A B | Difference | Borrow 0 0 | 0 | X1 0 1 | 1 | X2 1 0 | 1 | X3 1 1 | 0 | X4

Which sequence gives the correct values of X1, X2, X3, and X4 respectively?

Options

[A] 0, 1, 1, 0
[B] 0, 1, 0, 0
[C] 0, 1, 0, 1
[D] 1, 0, 1, 0

Question 43

Question

Which sorting algorithm will sort the array 8, 9, 10, 2, 4 in ascending order if:

Result after 1st pass: 8, 9, 2, 4, 10 Result after 2nd pass: 8, 2, 4, 9, 10

Options

[A] Merge sort
[B] Quick sort
[C] Bubble sort
[D] Heap sort

Question 44

Question

What will be the output of the program given below?

#include <stdio.h>

int main()
{
    unsigned char a = 9, b = 8;

    printf("%d\n", a & b);
    printf("%d\n", a | b);
    printf("%d\n", a ^ b);
    printf("%d\n", a = ~a);

    return 0;
}

Options

[A] 1, 8, 9, 246
[B] 8, 9, 1, 246
[C] 8, 8, 1, 246
[D] 9, 8, 1, 246

Question 45

Question

What will be the output of the function if called as funcc(-9)?

void funcc(int x) { try { if (x > 0) throw x - 2; else throw x + 5; } catch (int x) { cout << " A " << x; } }

int main() { funcc(-9); cout << " C "; return 0; }

Options

[A] -4 C
[B] -5 C
[C] A -4 C
[D] A -5 C

Question 46

Question

What will be the output of the program given below?

#include <stdio.h>

int main()
{
    char *p = "How-> ";
    int *a;
    int b = 10;
    a = &b;

    printf(p);
    printf(a);
    printf("%s ", p);

    return 0;
}

Options

[A] How-> How->
[B] How-> on two separate lines
[C] How->
[D] How-> 10 How->

Question 47

Question

What will be the output of the program given below?

#include <stdio.h>

int main()
{
    char str[80] = "World Table Tennis Championship";
    char t[10];
    char *p, *q;

    p = str;

    while (*p)
    {
        q = t;

        while (*p != ' ' && *p)
        {
            *q = *p;
            q++;
            p++;
        }

        if (*p)
            p++;

        *q = '\0';
        printf("%s\n", t);
    }

    return 0;
}

Options

[A] World Table Tennis Championship on one line
[B] World, Table, Tennis, Championship on separate lines
[C] Compilation error
[D] Runtime error

Question 48

Question

In which allocation method may the physical blocks in which a file is stored be dispersed throughout the secondary storage device?

Options

[A] Contiguous and indexed allocation
[B] Linked allocation
[C] Indexed allocation
[D] Contiguous allocation

Question 49

Question

What will be the output of the program given below?

#include <stdio.h>

int set(int **p)
{
    int m = 5 * 5 + 4 - 2 * 3;
    return m += m || 2;
}

int main()
{
    int set(int **);
    int *j;
    printf("%d", set(&j));
    return 0;
}

Options

[A] 26
[B] 24
[C] 23
[D] 25

Question 50

Question

Condition variables are used in conjunction with:

Options

[A] Reusable resources
[B] Mutex lock
[C] Process
[D] Thread

Question 51

Question

Choose the correct statement(s) regarding static binding.

I. It happens during compile time. II. It occurs during class load time. III. It occurs during runtime.

Options

[A] Only (II)
[B] Only (I)
[C] Only (II) and (III)
[D] Only (I) and (II)

Question 52

Question

Which addressing mode best resembles the instruction below?

MOV R6, A

Options

[A] Direct
[B] Immediate
[C] Register
[D] Register Indirect

Question 53

Question

Which of the following statements is/are false?

I. Inner class is a member of enclosing class. II. Outer class reference is required to initiate inner class. III. Inner classes defined within a method are method-local inner classes. IV. Method-local inner class can access method-local variable.

Options

[A] Only (I), (II), and (III)
[B] Only (II), (III), and (IV)
[C] Only (II)
[D] Only (IV)

Question 54

Question

What will be the output of the program given below?

#include <stdio.h>

int main()
{
    char *c[] = {
        "ENTER",
        "NEW",
        "POINTER",
        "FIRST"
    };

    char **cp[] = {c + 3, c + 2, c + 1, c};
    char ***cpp = cp;

    printf("%s", **++cpp);
    printf("%s", *--*++cpp + 3);
    printf("%s", *cpp[-2] + 3);
    printf("%s", cpp[-1][-1] + 1);

    return 0;
}

Options

[A] POINTERERSTEW
[B] POINTERFIRSTNEW
[C] ENTERNEWPOINTERFIRST
[D] Runtime error

Question 55

Question

Consider the following factors:

I. Page size II. Instruction set architecture III. Physical memory size IV. Processes in memory

Which factor(s) decide(s) the least number of page frames that should be allocated to a running process in a system implementing virtual memory?

Options

[A] Only (II)
[B] Only (I) and (IV)
[C] Only (II) and (III)
[D] Only (III)

Question 56

Question

When creating an object of a child class, both the child and parent constructors execute in a specific order. Which statement about constructors in inheritance is true?

Options

[A] Parent constructor must always be explicitly called
[B] Parent constructor executes before child constructor
[C] Child constructor executes before parent constructor
[D] A constructor is inherited like a method

Question 57

Question

What will be the evaluated value of the postfix expression?

32 108 9 8 * 6 / 6 * - + 2 + 1 ^

Options

[A] 68
[B] 100
[C] 4900
[D] 70

Question 58

Question

What is the octal equivalent of the hexadecimal value (FDEA)₁₆?

Options

[A] 175336
[B] 176536
[C] 125639
[D] 123698

Question 59

Question

What will be the output of the program given below if the size of integer is 2 bytes and pointer is 4 bytes?

#include <stdio.h>

int main()
{
    char *p;

    printf("%u", sizeof(0));
    printf("%u", sizeof(p));
    printf("%u", sizeof((char *)0));
    printf("%u", sizeof((float *)0));

    return 0;
}

Options

[A] 2444
[B] 4222
[C] 2424
[D] 2422

Question 60

Question

What will be the output of the program given below?

#include <stdio.h>

int main(void)
{
    char a = 10;
    char b = a == a | 2;
    char c = b == a | 4;

    printf("%d %d ", b, c);
    return 0;
}

Options

[A] Compile time error
[B] 1 1
[C] 1 0
[D] 3 4

Qualcomm Online Assessment | NIT Bhopal

Question 1

Question

Two positive integers have HCF 14 and LCM 840. If one of the numbers is 210, then how many positive factors does the other number have?

Options

[A] 10
[B] 6
[C] 8
[D] 12

Question 2

Question

Options

[A] 30 km
[B] 48 km
[C] 42 km
[D] 36 km

Question 3

Question

In a leap year, 26 January falls on a Monday. On which day of the week will 15 August fall in the same year?

Options

[A] Sunday
[B] Saturday
[C] Friday
[D] Monday

Question 4

Question

A triangle has side lengths 17 cm, 25 cm, and 28 cm. The area of the circle inscribed in the triangle is:

Options

[A] 64π cm²
[B] 25π cm²
[C] 49π cm²