If p1 and p2 are two odd prime numbers such that p1 > p2, then p12 – p22 is

Let us take p1 = 5 and p2 = 3Then p12 – p22 = 25 – 9 = 1616 is an even number.

Q6 of 124 Page 1

If p₁ and p₂ are two odd prime numbers such that p₁ > p₂, then p₁² – p₂² is

Let us take p₁ = 5 and p₂ = 3

Then p₁² – p₂² = 25 – 9 = 16

16 is an even number.

The sum of the exponents of the prime factors in the prime factorisation of 196, is

The number of decimal places after which the decimal expansion of the rational number will terminate, is

If two positive integers a and b are expressible in the form a = pq² and b = p³ q; p, q being prime numbers, then LCM (a, b) is

In Q. No. 7, HCF (a, b) is