Question:easy

Instructions (130 to 132): Read the following information carefully and then answer the questions.
Four friends W, X, Y and Z are students of Class 10th. W and X are good in Hindi but poor in English. W and Y are good in Science but poor in Mathematics. Y and Z are good in English but poor in Social Studies. Z and X are good in Mathematics as well as in Science.

Which of the following pairs of friends are good, both in English and Science?

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Combine both Science sentences and see how many friends are left out. Then let English do the filtering.
Updated On: Jul 17, 2026
  • W and Y
  • W and Z
  • Y and Z
  • Z and X
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The Correct Option is C

Solution and Explanation

One of the two subjects here is far more restrictive than the other, so start with that one. Science turns out to cover everybody once both Science sentences are combined, which means English alone decides the pair.

  1. W and Y: W is named as poor in English in the very first sentence. One weak member is enough to reject the pair, whatever their Science looks like.
  2. W and Z: Z is good in English and good in Science, so Z is not the problem. W drags the pair down with poor English once again.
  3. Y and Z: The third sentence hands us both of them as good in English. For Science, Y comes from the second sentence and Z comes from the fourth. Both subjects check out for both names.
  4. Z and X: Science is fine for both, but X is grouped with W as poor in English in the first sentence, so the pair fails.

The Science data is worth reading carefully. W and Y are good in Science from one sentence, and Z and X are good in Science from another. Together they cover all four friends, so Science can never eliminate a pair in this puzzle. That is why the answer hangs entirely on the English line, where only Y and Z qualify.

Let's summarize:

  • Good in English: Y and Z only, since W and X are stated to be poor in it.
  • Good in Science: all four friends, once both Science sentences are read together.
  • The only pair clearing both filters is Y and Z.

So option (C) is correct.

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