m4maths Maths Puzzle

what is the remainder when 223^224 is divisible by 25?

Read Solution (Total 2)

16 is the remainder when 223^224 is divisible by 25.
12 years agoHelpfull: Yes(4) No(5)

16

This is same as yesterday puzzle.
12 years agoHelpfull: Yes(2) No(5)

m4maths Other Question

32=2^5 1024=2^10
2^(10+10+5)
64=2^6 128=2^7
2^(6+13+7)
+2^(18+4+3)
A and B starting from x and y simultaneously, heading for y, x respectively. The
ratio of their speeds is 2:1. If each one does 6 return trips (if A return trip is x to y; y to x) how many times would they met each other?