Question 99

Which number comes in the place of the question mark (?)
16, 25, 36, 49, 64, ?

Solution

$$4^2 = 16$$ ; $$5^2=25$$ ; $$6^2 = 36$$ ; $$7^2=49$$ ; $$8^2 = 64$$ ; $$9^2 = 81$$

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Which number comes in the place of the question mark (?)16, 25, 36, 49, 64, ?