Others Maths Puzzle

What are the last 2 digits of 4^5^6^7?? Please explain the procedure.
option
1.24
2.54
3.28
4.none of these

Read Solution (Total 1)

Others Other Question

1,3,7,11,15,18,21 In an australian cricket academy , there was a survey to find the most popular australian cricketer ! One could vote to more than one cricketer . 70 % voted for Adam Gilchrist , 60 % voted for Steve Waugh . Exactly half of the voters voted for both of them . What percentage of the voters didn't vote for either of them ?

a) 20 %
b) 25%
c) 30%
d) 40%