Question 1
The difference between Yara and Mohan's ages is 74 years. In 7 years, Yara's age will be 3 times Mohan's age. How old is Yara now?
Let Mohan = x = 30
Then Yara = x + 74 = 30 + 74 = 104
Check: In 7 years, Yara+7 = 111
3 × (Mohan+7) = 3 × 37 = 111 ✓
Then Yara = x + 74 = 30 + 74 = 104
Check: In 7 years, Yara+7 = 111
3 × (Mohan+7) = 3 × 37 = 111 ✓