Let x and y be distinct integers where 1 ≤ x ≤ 25 and 1 ≤ y ≤ 25. Then, the number of ways of choosing x and y, such that x + y is divisible by 5, is __________.

Let x and y be distinct integers where 1 ≤ x ≤ 25 and 1 ≤ y… — JEE Main 2023 Mathematics PYQ

JEE Main 2023 · 25 Jan · Shift 1 · numerical answer

Let

x

and

y

be distinct integers where

1 \leq x \leq 25

and

1 \leq y \leq 25

. Then, the number of ways of choosing

x

and

y

, such that

x + y

is divisible by 5, is __________.

Show answer

Answer: 120

[JEE Main 2023 · 25 Jan · Shift 1]

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