SSC CGL Tier-2 25-October-2015 Maths

Question 32

The greatest number among $$ 3^{50}, 4^{40}, 5^{30},  6^{20}$$ is

Solution

$$ 3^{50} = 243^{10} $$

$$4^{40} = 1024^{10}$$

$$5^{30} = 125^{10}$$

$$6^{20} = 36^{10}$$

So, the greatest would be $$4^{40}$$.

So , the answer would be option a)$$4^{40}$$.

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