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Question

P = 78, Q = 87 and R = 17. is the largest among these fractions.

A
P
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B
Q
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C
R
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Solution

The correct option is B Q

If we convert all of them into like fractions by LCM method,

i.e., LCM of 8, 7 and 7 will be 56,
So P = 7×78×7 = 4956

Q = 8×87×8 = 6456

and R = 1×87×8 = 856

We get:

6456 > 4956 > 856
Or
Q > P > R

Q is greater.


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