Delhi Police Constable Exam Model Paper 7

Question : 84 of 100

Marks: +1, -0

If for any two natural numbers a and

b, a^b= 125,

then

b^a

Solution:

GIVEN:

a^b = 125

CALCULATION:
⇒

a^b = 5^3

So,
a = 5 and b = 3
According to Question
⇒

b^a = 3^5 = 3 × 3 × 3 × 3 × 3

∴

b^a = 243

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