Correct Answer - Option 4 : 30
Given:
Number of chocolates Rahul, Rohan and Radhika have x, x/3 and 2x -10 respectively
Total number of chocolates = 90
Concept:
Simple addition
Calculation:
⇒ x + x/3 + 2x - 10 = 90
⇒ 3x + x + 6x = 100 × 3
⇒ 10x = 300
⇒ x = 30
∴ Rahul has 30 chocolates.