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Question

If y=7+7+8+277, then the value of y will be:


A

1

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B

7

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C

827

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D

71

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Solution

The correct option is A

1


y=7+7+8+277
Here, 8+27=7+1+27=(7+1)2
y=7+7+(7+1)27
y=7+7+(7+1)7
y=27+7+17
y=(7+1)27
y=(7+1)7
y=1


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