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Mathematics MCQs with Answers

Mathematics and quantitative reasoning questions appear in many job and entry tests. Practice arithmetic, algebra, percentages, ratios, averages, profit and loss, and geometry. Attempt timed MCQ tests to improve both your speed and accuracy.

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Q261. Find the next number: 8, 13, 18, 23, 28, ?

  1. 32
  2. 33
  3. 38
  4. 34
Show answer and explanation

Correct answer: B. 33

The series increases by 5; next = 33.

Q262. Find the next number: 9, 16, 25, 36, 49, ?

  1. 65
  2. 66
  3. 64
  4. 63
Show answer and explanation

Correct answer: C. 64

The series is of consecutive squares.

Q263. A bus covers 450 km in 3 hours. What is its average speed in km/h?

  1. 160
  2. 145
  3. 155
  4. 150
Show answer and explanation

Correct answer: D. 150

Speed = 450/3 = 150 km/h.

Q264. 50 is what percent of 250?

  1. 15%
  2. 20%
  3. 40%
  4. 25%
Show answer and explanation

Correct answer: B. 20%

(50/250) x 100 = 20%.

Q265. What is the sum of interior angles of a polygon with 5 sides?

  1. 630 degrees
  2. 720 degrees
  3. 900 degrees
  4. 540 degrees
Show answer and explanation

Correct answer: D. 540 degrees

Sum = (n-2) x 180 = 540.

Q266. Find the area of a rectangle with length 19 cm and breadth 16 cm (in sq cm).

  1. 288
  2. 70
  3. 304
  4. 323
Show answer and explanation

Correct answer: C. 304

Area = l x b = 304.

Q267. Find the simple interest on Rs. 20000 at 5% per annum for 4 years (in Rs.).

  1. 3900
  2. 4100
  3. 4000
  4. 8000
Show answer and explanation

Correct answer: C. 4000

SI = PRT/100 = 20000 x 5 x 4/100 = 4000.

Q268. If x + y = 16 and x - y = -2, find x.

  1. 6
  2. 8
  3. 7
  4. 9
Show answer and explanation

Correct answer: C. 7

Adding the equations: 2x = 14; x = 7.

Q269. Find the simple interest on Rs. 1000 at 12% per annum for 4 years (in Rs.).

  1. 380
  2. 580
  3. 480
  4. 960
Show answer and explanation

Correct answer: C. 480

SI = PRT/100 = 1000 x 12 x 4/100 = 480.

Q270. What is the sum of angles of a quadrilateral?

  1. 540 degrees
  2. 270 degrees
  3. 180 degrees
  4. 360 degrees
Show answer and explanation

Correct answer: D. 360 degrees

A quadrilateral's interior angles sum to 360.

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