If n is any natural number, then 6n – 5n always ends with

For any n ∈ N, e and 5n end with 6 and 5 respectively.Therefore, 6n – 5n always ends with 6 - 5 = 1.

Q22 of 124 Page 1

If n is any natural number, then 6ⁿ – 5ⁿ always ends with

For any n ∈ N, e and 5ⁿ end with 6 and 5 respectively.

Therefore, 6ⁿ – 5ⁿ always ends with 6 - 5 = 1.

The smallest rational number by which 1/3 should be multiplied so that its decimal expansion terminates after one place of decimal, is

If n is a natural number, then 9²ⁿ – 4²ⁿ is always divisible by

The LCM and HCF of two rational numbers are equal, then the numbers must be

If the sum of LCM and HCF of two numbers is 1260 and their LCM is 900 more than their HCF, then the product of two numbers is