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Question

The product of sucessor and predecessor of 99 is


A

9800

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B

9900

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C

1099

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D

9700

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Solution

The correct option is A

9800


Let's find the product of sucessor and predecessor of 99.

The sucessor of 99 is 100 and the predecessor is 98

Their product = 100×98=9800

Hence, option (A) is correct.


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