Problems on Ages Practice Test 1 with solutions

Let the present ages of Mayank and his mother are x and 3(x – 5) years respectively; then
⇒ 2(x + 5) = 3(x – 5) + 5
⇒ 2x + 10 = 3x – 15 + 5
∴ x = 20
Hence, present age of Mayank = 20 years