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If two sets A and B are having 99 elemen...

If two sets A and B are having 99 elements in common, the number of elements common to each of the sets `A xx B` and `B xx A` are `121 lambda^(2)`, the value of `lambda` is

A

`2 ^(90)`

B

`99^(2)`

C

`100`

D

`18`

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The correct Answer is:
B
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TARGET PUBLICATION-SETS, RELATIONS AND FUNCTIONS-COMPETITVE THINKING
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