x^x = 1296, then x lies between

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28 Feb 2011 x lies between?

x^x = 1296, then x lies between

OPtion

1) 0&1
2) 1&2
3) 2&3
4) 3&4
5) 4&5
6) 5&6
7) 6&7
8) 7&8
9) 8&9
10) 9&10

Solution

1^1 = 1
2^2 = 4
3^3 = 27
4^4 = 256
5^5 = 3125
by using this we can clearly find out the solution that x lies between 4 and 5

Correct Option: 5 Best Solution (7)