Question

Solve 23x < 100 when x is a natural number

Answer 1

Given 23x < 100

When x is a natural number

23x < 100

⇒ `x < 100/23`

⇒ x < 4.347

⇒ x = 1, 2, 3, 4

∴ The solution set is {1, 2, 3, 4}