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Q.

The weight of 65 books is 13kg. How many such books weigh 6.4 kg?


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a

32

b

33

c

34

d

35 

answer is A.

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Detailed Solution

Given, the weight of 65 books is 13 kg.
By using the unitary method,
The weight of a book is 1365=0.2  kg.
The number of books weigh 6.4 kg are 6.40.2=32 books.
Hence, option 1 is correct.
 
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