Question 1
Darpan is 12 years old and Luke is 22 years old. What will be the sum of their ages after 9 years?
Current sum = 12 + 22 = 34
After 9 years, each ages by 9, so sum increases by 18
Future sum = 34 + 18 = 52
After 9 years, each ages by 9, so sum increases by 18
Future sum = 34 + 18 = 52