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Police & Uniformed Services Mathematics MCQs with Answers

85 practice MCQs on Mathematics for Police & Uniformed Services tests. Think of your answer first, then open "Show answer and explanation". These are practice questions, not official examination papers.

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Q31. A can finish a job in 12 days and B in 4 days. How many days will they take working together?

  1. 4
  2. 5
  3. 16
  4. 3
Show answer and explanation

Correct answer: D. 3

Combined rate = 1/12 + 1/4; time = 48/16.

Q32. Add: 6/6 + 7/3

  1. 10/3
  2. 59/18
  3. 13/9
  4. 61/18
Show answer and explanation

Correct answer: A. 10/3

Convert to common denominator and add.

Q33. Find the next number: 10, 19, 28, 37, 46, ?

  1. 55
  2. 64
  3. 54
  4. 56
Show answer and explanation

Correct answer: A. 55

The series increases by 9; next = 55.

Q34. What is 49 x 52?

  1. 2598
  2. 2518
  3. 2548
  4. 2498
Show answer and explanation

Correct answer: C. 2548

49 x 52 = 2548.

Q35. What is the square of 19?

  1. 361
  2. 342
  3. 380
  4. 399
Show answer and explanation

Correct answer: A. 361

19 x 19 = 361.

Q36. What is the HCF of 28 and 24?

  1. 5
  2. 8
  3. 6
  4. 4
Show answer and explanation

Correct answer: D. 4

The greatest common divisor of 28 and 24 is 4.

Q37. A bus covers 150 km in 3 hours. What is its average speed in km/h?

  1. 55
  2. 60
  3. 45
  4. 50
Show answer and explanation

Correct answer: D. 50

Speed = 150/3 = 50 km/h.

Q38. Find the perimeter of a rectangle with length 19 cm and breadth 16 cm (in cm).

  1. 70
  2. 304
  3. 35
  4. 54
Show answer and explanation

Correct answer: A. 70

Perimeter = 2(l+b) = 70.

Q39. Add: 1/6 + 5/4

  1. 35/24
  2. 11/8
  3. 6/10
  4. 17/12
Show answer and explanation

Correct answer: D. 17/12

Convert to common denominator and add.

Q40. A number 800 is increased by 10%. What is the new number?

  1. 880
  2. 870
  3. 890
  4. 810
Show answer and explanation

Correct answer: A. 880

800 x (100+10)/100 = 880.

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