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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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Q11. What is the LCM of 28 and 49?

  1. 196
  2. 203
  3. 189
  4. 392
Show answer and explanation

Correct answer: A. 196

LCM = (x*y)/HCF = 1372/7 = 196.

Q12. What is the HCF of 16 and 24?

  1. 10
  2. 9
  3. 8
  4. 16
Show answer and explanation

Correct answer: C. 8

The greatest common divisor of 16 and 24 is 8.

Q13. What is the square root of 225?

  1. 16
  2. 15
  3. 14
  4. 17
Show answer and explanation

Correct answer: B. 15

15 x 15 = 225, so the root is 15.

Q14. If 9x + 13 = 49, find x.

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

Correct answer: D. 4

9x = 36, so x = 4.

Q15. What is the cube of 13?

  1. 2184
  2. 2210
  3. 2197
  4. 2366
Show answer and explanation

Correct answer: C. 2197

13^3 = 2197.

Q16. What is the cube root of 1331?

  1. 10
  2. 13
  3. 12
  4. 11
Show answer and explanation

Correct answer: D. 11

11^3 = 1331.

Q17. What is the average of 21, 38, 22, 17, 47?

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

Correct answer: B. 29

Sum = 145; average = 145/5 = 29.

Q18. What is the area of a square of side 5 cm (in sq cm)?

  1. 20
  2. 25
  3. 30
  4. 50
Show answer and explanation

Correct answer: B. 25

Area = side^2 = 25.

Q19. What is the cube root of 64?

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

Correct answer: B. 4

4^3 = 64.

Q20. If 3x + 9 = 45, find x.

  1. 11
  2. 14
  3. 13
  4. 12
Show answer and explanation

Correct answer: D. 12

3x = 36, so x = 12.

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