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How many pages of book X did Robert read on Sunday ?

Statements:

1.The book has 300 pages out of which two-thirds were read by him before Sunday.

2. Robert read the last 40 pages of the book on the morning of Monday.

  • A.1 alone is sufficient while II alone is not sufficient
  • B.2 alone is sufficient while I alone is not sufficient
  • C.Either 1 or 2 is sufficient
  • D.Both 1 and 2 are sufficient

Answer: D

Correct answer: Both 1 and 2 are sufficient

Statement 1 gives 300 pages with 200 read before Sunday, leaving 100. Statement 2 says the last 40 were read on Monday, so 60 were read on Sunday. Statement 1 alone leaves the remaining 100 undivided between Sunday and Monday, and statement 2 alone gives no total, so both are needed.

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