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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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Q21. What is 6.5 + 6.0?

  1. 12.6
  2. 12.4
  3. 13.5
  4. 12.5
Show answer and explanation

Correct answer: D. 12.5

6.5 + 6.0 = 12.5.

Q22. What is the supplement of 45 degrees?

  1. 135 degrees
  2. 145 degrees
  3. 125 degrees
  4. 45 degrees
Show answer and explanation

Correct answer: A. 135 degrees

Supplementary angles add to 180: 180-45 = 135.

Q23. If 5x + 16 = 36, find x.

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

Correct answer: B. 4

5x = 20, so x = 4.

Q24. What is 3/8 as a decimal?

  1. 0.375
  2. 0.325
  3. 0.35
  4. 0.38
Show answer and explanation

Correct answer: A. 0.375

3 divided by 8 = 0.375.

Q25. If 8 kg of sugar costs Rs. 240, find the cost of 10 kg (in Rs.).

  1. 310
  2. 330
  3. 270
  4. 300
Show answer and explanation

Correct answer: D. 300

Cost of 1 kg = 30; for 10 kg = 300.

Q26. Find the simple interest on Rs. 5000 at 8% per annum for 5 years (in Rs.).

  1. 2100
  2. 2000
  3. 4000
  4. 1900
Show answer and explanation

Correct answer: B. 2000

SI = PRT/100 = 5000 x 8 x 5/100 = 2000.

Q27. The average of 5 numbers is 49. If 4 of them are 53, 53, 54, 51, what is the remaining number?

  1. 34
  2. 35
  3. 39
  4. 33
Show answer and explanation

Correct answer: A. 34

Total = 49x5 = 245; remaining = 245-211 = 34.

Q28. A shopkeeper buys a watch for Rs. 500 and sells it at a 20% loss. Find the selling price in Rs.

  1. 430
  2. 400
  3. 480
  4. 370
Show answer and explanation

Correct answer: B. 400

SP = 500 x 80/100 = 400.

Q29. What is the cube root of 125?

  1. 4
  2. 6
  3. 5
  4. 7
Show answer and explanation

Correct answer: C. 5

5^3 = 125.

Q30. A triangle with all sides equal is called:

  1. Scalene
  2. Equilateral
  3. Right-angled
  4. Isosceles
Show answer and explanation

Correct answer: B. Equilateral

All three sides equal.

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