IBA Karachi Aptitude Test Mathematics: Most Repeated MCQs with Answers

Practise IBA Karachi Aptitude Test Mathematics most repeated MCQs in sets of about 20 questions with instant answers and explanations. This page focuses on h…

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IBA Karachi Aptitude Test Mathematics Most Repeated sample MCQs

  1. Q1. If f(x) = 2x + 3, what is f(4)?

    • A) 9
    • B) 10
    • C) 11
    • D) 12

    Answer: 11

  2. Q2. The mean of a data set of 5 values is 10. The sum of squared deviations from the mean is 80. What is the variance?

    • A) 16
    • B) 20
    • C) 14
    • D) 18

    Answer: 16

  3. Q3. Which of the following numbers is prime?

    • A) 9
    • B) 15
    • C) 17
    • D) 21

    Answer: 17

  4. Q4. A number is divisible by 5 if it ends in which digit(s)?

    • A) 2 or 4
    • B) 1 or 3
    • C) 4 or 6
    • D) 0 or 5

    Answer: 0 or 5

  5. Q5. What is the LCM of 6, 8, and 12?

    • A) 16
    • B) 36
    • C) 24
    • D) 48

    Answer: 24

  6. Q6. What is the prime factorization of 36?

    • A) 2² × 3²
    • B) 2³ × 3
    • C) 2 × 3³
    • D) 2² × 3³

    Answer: 2² × 3²

  7. Q7. Two numbers have an HCF of 4 and an LCM of 48. If one number is 16, what is the other number?

    • A) 8
    • B) 10
    • C) 14
    • D) 12

    Answer: 12

  8. Q8. Which of the following numbers is divisible by both 2 and 3?

    • A) 14
    • B) 18
    • C) 22
    • D) 26

    Answer: 18

  9. Q9. What is the LCM of 5 and 9?

    • A) 14
    • B) 40
    • C) 45
    • D) 50

    Answer: 45

  10. Q10. Three bells ring at intervals of 6, 8, and 12 minutes respectively. If they all ring together at 9:00 AM, at what time will they next ring together?

    • A) 9:16 AM
    • B) 9:20 AM
    • C) 9:18 AM
    • D) 9:24 AM

    Answer: 9:24 AM

  11. Q11. The ratio of two numbers a and b is 3:5. If 2 is added to both the numbers, the ratio becomes 2:3. Find b?

    • A) 15
    • B) 10
    • C) 8
    • D) 5

    Answer: 10

  12. Q12. Complete the series 5, 9, 17, 33, ____

    • A) 65
    • B) 82
    • C) 70
    • D) 75

    Answer: 65

  13. Q13. The ratio of two numbers, a and b, is 3:5. If 2 is added to both numbers, the ratio becomes 2:3. What is the value of b?

    • A) 8
    • B) 10
    • C) 15
    • D) 5

    Answer: 10

  14. Q14. If a:b = 2:3 and b:c = 4:3, then find a:b:c.

    • A) 8:12:09
    • B) 2:03:08
    • C) 2:03:09
    • D) 2:03:12

    Answer: 8:12:09

  15. Q15. What is the LCM of the 6th and 7th term in a_n = 3n+2?

    • A) 360
    • B) 460
    • C) 520
    • D) 620

    Answer: 460

  16. Q16. The price of a car, including a 6 percent sales tax, is Rs. 154431.40. What is the market price of the car without tax?

    • A) 145500
    • B) 145000
    • C) 150000
    • D) 145690

    Answer: 145690

  17. Q17. A horse runs around a ground twice and covers a distance of 8 km. One side of the square ground is:

    • A) 8 km
    • B) 4 km
    • C) 2 km
    • D) 1 km

    Answer: 1 km

  18. Q18. The measures of the angles of a triangle are in the ratio 5:4:3. Find the smallest angle of the triangle:

    • A) 45°
    • B) 60°
    • C) 75°
    • D) 105°

    Answer: 45°

  19. Q19. One kilometer is equal to ______ meters.

    • A) 10
    • B) 100
    • C) 1000
    • D) 10000

    Answer: 1000

  20. Q20. I spend 20 hours to clean my garden. How long will it take if 4 people come to join me?

    • A) 3 hours
    • B) 6 hours
    • C) 5 hours
    • D) 4 hours

    Answer: 4 hours

What are most repeated Mathematics MCQs for IBA Karachi Aptitude Test?

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