Question

The remainder when 7⁶² divided by 25 is ?

Answer 1

Answer:49
Whenever You raise 7 to a power 2 more than a number perfectly divisible by 10 the last 2 digits are 49.E-g-$7^2, 7 ^{12} , 7 ^{122}$

CONCEPT:
1.Remainder when 149 divided by 25 is 49. Because 100 is perfectly divisible by 25 
2.Remainder when 12241412349 divided by 25 is 49. Because 1241412300 is perfectly divisible by 25


 

Answer 2

perhaps when u raise 7 to power more than a no. divisible by 10 then last 2 digits r 49

so ans is 49.........