Question 1
Bjorn is 19 years old and Bharat is 29 years old. What will be the sum of their ages after 4 years?
Current sum = 19 + 29 = 48
After 4 years, each ages by 4, so sum increases by 8
Future sum = 48 + 8 = 56
After 4 years, each ages by 4, so sum increases by 8
Future sum = 48 + 8 = 56