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PPSC / FPSC Mathematics MCQs with Answers

85 practice MCQs on Mathematics for PPSC / FPSC tests. Think of your answer first, then open "Show answer and explanation". These are practice questions, not official examination papers.

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Q21. Find the area of a rectangle with length 13 cm and breadth 8 cm (in sq cm).

  1. 104
  2. 42
  3. 117
  4. 96
Show answer and explanation

Correct answer: A. 104

Area = l x b = 104.

Q22. If 50% of a number is 100, what is the number?

  1. 200
  2. 400
  3. 180
  4. 220
Show answer and explanation

Correct answer: A. 200

Number = 100 x 100/50 = 200.

Q23. Find the roots of x^2 - 9x + 20 = 0.

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

Correct answer: D. 4 and 5

The equation factors as (x-4)(x-5) = 0.

Q24. Simplify: (6+1)^2 - (6-1)^2

  1. 26
  2. 24
  3. 36
  4. 12
Show answer and explanation

Correct answer: B. 24

Using (p+q)^2-(p-q)^2 = 4pq = 4a.

Q25. Find the area of a rectangle with length 20 cm and breadth 14 cm (in sq cm).

  1. 280
  2. 68
  3. 300
  4. 266
Show answer and explanation

Correct answer: A. 280

Area = l x b = 280.

Q26. What is the sum of interior angles of a polygon with 7 sides?

  1. 900 degrees
  2. 1260 degrees
  3. 990 degrees
  4. 1080 degrees
Show answer and explanation

Correct answer: A. 900 degrees

Sum = (n-2) x 180 = 900.

Q27. Find the next number: 3, 9, 27, 81, 243, ?

  1. 732
  2. 972
  3. 729
  4. 726
Show answer and explanation

Correct answer: C. 729

Each term is multiplied by 3; next = 729.

Q28. Find the perimeter of a rectangle with length 20 cm and breadth 14 cm (in cm).

  1. 54
  2. 280
  3. 68
  4. 34
Show answer and explanation

Correct answer: C. 68

Perimeter = 2(l+b) = 68.

Q29. A father is 47 years old and his son is 6. What will be the sum of their ages after 4 years?

  1. 57
  2. 61
  3. 53
  4. 65
Show answer and explanation

Correct answer: B. 61

Sum now = 53; after 4 years add 2x4.

Q30. The marked price of an article is Rs. 800. After a discount of 15%, what is the selling price in Rs.?

  1. 785
  2. 730
  3. 680
  4. 630
Show answer and explanation

Correct answer: C. 680

SP = 800 x 85/100 = 680.

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