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Question

Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer.

What will be the total weight of 10 books, each of the same weight?

Statements:

I. One-fourth of the weight of each book is 0.5 kg.
II. The total weight of three books is 8 kilograms more than the total weight of two books.

A
Statement I alone is sufficient while Statement II alone is not sufficient
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B
Statement II alone is sufficient while Statement I alone is not sufficient
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C
Neither Statement I nor Statement II is sufficient
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D
Either Statement I or Statement II is sufficient
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Solution

The correct option is D Either Statement I or Statement II is sufficient
From I, we conclude that the weight of each book = (4x2) kg = 8 kg.
So, total weight of 10 books = (8x 10) kg = 80 kg.

From II, we conclude that:
Weight of each book = (weight of 3 books) - (weight of 2 books) = 8 kg.
So, total weight of 10 books = (8 x 10) kg = 80 kg.

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