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Question

Which pair of numbers should replace the question marks ?
1,1,2,4,3,27,4,?,?

A
5,64
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B
64,81
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C
64,5
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D
16,5
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Solution

The correct option is C 64,5
Consider pair of numbers
(1,1)=(1,11)
(2,4)=(2,22)
(3,27)=(3,33)
(4,64)=(4,44)
Next number will be 5.
Hence, the missing pair of numbers is 64,5.

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