Question

Which one of the following is the common factor of (47^43 + 43^43) and (47^47 + 43^47) ?

a.

(47 - 43)

b.

(47 + 43)

c.

(47^43 + 43^43)

d.

None of these

Posted under Aptitude

Answer: (b).(47 + 43)

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Q. Which one of the following is the common factor of (47^43 + 43^43) and (47^47 + 43^47) ?

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