The monthly incomes of two persons are in the ratio 4:5 and their monthly expenditures are in the ratio of 7:9. If each saves BDT 50 per month, find their monthly income.
The average age of a group of 15 employees is 24 years. If 5 more employees join the group, the average age increases by 2 years. Find the average age of the new employees?
35
30
২৪
32