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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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Q41. Divide Rs. 8 in the ratio 3:1. What is the larger share in Rs.?

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

Correct answer: B. 6

Parts = 4; each part = 2; larger share = 6.

Q42. What is the cube root of 729?

  1. 8
  2. 9
  3. 11
  4. 10
Show answer and explanation

Correct answer: B. 9

9^3 = 729.

Q43. What is the average of 31, 40, 25, 30, 39?

  1. 35
  2. 34
  3. 32
  4. 33
Show answer and explanation

Correct answer: D. 33

Sum = 165; average = 165/5 = 33.

Q44. Find the total surface area of a cube of side 8 cm (in sq cm).

  1. 512
  2. 256
  3. 384
  4. 48
Show answer and explanation

Correct answer: C. 384

TSA = 6 x side^2 = 384.

Q45. Find the area of a rectangle with length 6 cm and breadth 3 cm (in sq cm).

  1. 24
  2. 9
  3. 18
  4. 15
Show answer and explanation

Correct answer: C. 18

Area = l x b = 18.

Q46. The average of 4 numbers is 48. If 3 of them are 53, 57, 42, what is the remaining number?

  1. 41
  2. 39
  3. 45
  4. 40
Show answer and explanation

Correct answer: D. 40

Total = 48x4 = 192; remaining = 192-152 = 40.

Q47. In a right-angled triangle, the two legs are 20 cm and 21 cm. Find the hypotenuse (in cm).

  1. 30
  2. 28
  3. 41
  4. 29
Show answer and explanation

Correct answer: D. 29

Hypotenuse = sqrt(20^2+21^2) = 29.

Q48. 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.

Q49. 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.

Q50. 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%.

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