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BITSAT2024MathematicsSets and RelationsActual

In an examination, 62 % of the candidates failed in English, 42% in Mathematics and 20% in both. The number of those who passed in both the subjects is

Options

  1. A11
  2. B16
  3. C18
  4. DNone of these

Correct answer

B. 16

Step-by-step solution

From the given condition, a + c =62 k ; b + c =42 k and c =20 k Hence a =42 k and b =22 k Number of students who failed in none means passed in both = n =100 k -( a + b + c )=100 k -(42 k +22 k +20 k )=16 k . or 16 %

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