Aptitude - Aptitude-Percentage

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By what % is 200 more than 50?

  • a
  • b
  • c
  • d
  • OOPS, your answer is incorrect

    % difference = (200-50)/50 X 100 = 300 %

If 20% of 40% of a = 25% of a% of b, then what is b?

  • a
  • b
  • c
  • d
  • OOPS, your answer is incorrect

    1/5 X 2/5 X a = ¼ X a X b b = 8/25

If A is 20% taller than B, by what percent is B shorter than A?

  • a
  • b
  • c
  • d
  • OOPS, your answer is incorrect

    A = 1.2 B => B = A/1.2 => 0.8333A => 16.66%. (OR) Decrease from 1.2 to 1 => 16.66%.

In an examination, a student secures 40% and fails by 10 marks. If he scored 50%, he would pass by 15 marks. Find the minimum marks required to pass the exam?

  • a
  • b
  • c
  • d
  • OOPS, your answer is incorrect

    50% of max marks – 40% of max marks = 25 max marks = 250 Pass marks = 40% of max + 10 => 100 + 10 = 110.

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