NDA 2022 Mathematics question

Two numbers and are chosen at random from a set of first 10 natural numbers. What is the probability that is divisible by 4?

Answer: (B)

Solution

Total selections of two different numbers . Classify by remainder on division by 4: remainder 1: ; remainder 2: ; remainder 3: ;

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-029515