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Question

The value of 7.322.72 is equal to


A

46

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B

48

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C

50

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D

42

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Solution

The correct option is A

46


The given expression is 7.322.72 which can be written as

=(7.3+2.7)(7.32.7) [a2b2=(a+b)(ab)]

=10×4.6

=46


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