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Teaching Jobs Mathematics MCQs with Answers

86 practice MCQs on Mathematics for Teaching Jobs tests. Think of your answer first, then open "Show answer and explanation". These are practice questions, not official examination papers.

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Q51. 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.

Q52. In a right-angled triangle, the two legs are 5 cm and 12 cm. Find the hypotenuse (in cm).

  1. 13
  2. 17
  3. 14
  4. 12
Show answer and explanation

Correct answer: A. 13

Hypotenuse = sqrt(5^2+12^2) = 13.

Q53. Add: 1/6 + 3/8

  1. 13/24
  2. 4/14
  3. 25/48
  4. 9/16
Show answer and explanation

Correct answer: A. 13/24

Convert to common denominator and add.

Q54. The value of 2^10 is:

  1. 512
  2. 1024
  3. 1204
  4. 1000
Show answer and explanation

Correct answer: B. 1024

2^10 = 1024.

Q55. Find the next number: 19, 21, 23, 25, 27, ?

  1. 30
  2. 28
  3. 29
  4. 31
Show answer and explanation

Correct answer: C. 29

The series increases by 2; next = 29.

Q56. The average of 6 numbers is 58. If 5 of them are 51, 63, 63, 60, 66, what is the remaining number?

  1. 45
  2. 44
  3. 50
  4. 46
Show answer and explanation

Correct answer: A. 45

Total = 58x6 = 348; remaining = 348-303 = 45.

Q57. An item bought for Rs. 800 is sold at 25% profit. What is the selling price in Rs.?

  1. 1020
  2. 980
  3. 1000
  4. 825
Show answer and explanation

Correct answer: C. 1000

SP = 800 x 125/100 = 1000.

Q58. If x + y = 10 and x - y = 6, find x.

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

Correct answer: A. 8

Adding the equations: 2x = 16; x = 8.

Q59. What is the area of a circle of radius 28 cm? (use pi = 22/7)

  1. 2464
  2. 1232
  3. 2492
  4. 176
Show answer and explanation

Correct answer: A. 2464

Area = pi r^2 = 22/7 x 28^2 = 2464.

Q60. 2 is what percent of 40?

  1. 5%
  2. 15%
  3. 0%
  4. 10%
Show answer and explanation

Correct answer: A. 5%

(2/40) x 100 = 5%.

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