u/Competitive-Idea-967

The average age of 18 people is 25 years. After including 3 more persons, the average age is increased Ily 3 years. Find the average age of 3 new persons?

Incomes of A, B, C are in the ratio 7, 9, 12 and their expenses are in the ratio 8, 9, 15. If A's savings 1/4 of his income, then the ratio of their savings is

ABC share a total income of 6060, A spends 80%, B spends 85%, and C spends 75% of their income. If their savings are 5:6:9, find the income of A.

The ratio of men and women was 9 ratio 4. When 20 men resigned, the ratio became 7 ratio 4. In what ratio should 30 men and women have joined initially to make the ratio of men to women 11 ratio 5?

A man spends 80% of his income. If his income increased by 20% and his expenditure increased by 10%, find the percentage increase in his savings.