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Question

If 11x7 = 817 , the value of 'x' will be

A
x = 7
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B
x = 4
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C
x = 1
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D
x = 11
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Solution

The correct option is B x = 4

11x7 is a mixed fraction.

11x7=(11×7)+x7=77+x7

Given, (77+x)7=817
Comparing the numerators, we get
77+x=81

x=8177=4


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