Algebra

JKSSB Class-IV & MTS · Mathematics · 47 practice questions with answers and explanations: 11 Easy, 19 Medium, 17 Hard.

Sample questions

Sample Easy question 1

If 3x - 7 = 11, find x.

  1. 5
  2. 6
  3. 7
  4. 8
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Answer: B. 3x = 18, so x = 6.

Sample Medium question 2

A father is 4 times as old as his son. In 5 years, the father will be 3 times as old as his son. Find the son's current age.

  1. 8
  2. 9
  3. 10
  4. 12
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Answer: C. Let son = x, father = 4x. Then 4x + 5 = 3(x + 5), giving x = 10.

Sample Hard question 3

For the equation 2x² - 7x + 3 = 0, find the sum of the roots without solving for x.

  1. 3
  2. 3.5
  3. 7
  4. 1.5
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Answer: B. For ax² + bx + c = 0, sum of roots = -b/a = 7/2 = 3.5.

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