Digital Root of Large Numbers "If we add the digits of a large number repeatedly till we get a single-digit number, then this single-digit number is called the digital root of that number." Let us understand it using …
Taxicab Numbers or Hardy-Ramanujan Number We know about the famous Indian mathematician Srinivasa Ramanujan. On 2 nd May 1918, he was elected as a Fellow of Royal Society. On 13 th October 1918, he was the first Indian to be …
CBSE Maths Class 12: Assertion and Reason Based Questions with Solutions Chapter 1: Relations and Functions 1. Assertion: If a function f : R→R is defined by f(x) = x 3 + 1, then f is both one-one and onto. Reaso…