In a group of 20 singers and 40 dancers, 20% of the singers are less than 25 years old and 40% of the entire group are under 25 years. What percentage of dancers are under 25 years?

Aman's expenses are 30% more than Vimal's expenses and Vimal's expenses are 10% less than Raman's expenses. If the sum of the expenditure of all three is Rs. 6,447, then what is the Expenditure of Aman?

A man spends 75 % of his income. His income increased by 20 % and he increased his expenditure by 15 %. His savings will then be increased by: 

A reduction of 20% in the price of wheat a person enables to purchase 4 kg more for Rs. 160. Find the original price of wheat?

A shopkeeper has certain number of eggs of which 5% are found to be broken. He sells 93% of the remainder and still has 266 eggs left. How many eggs did he originally have?

If 30% of Aman's income is added to 40% of Raman's income, the answer is 80% of Raman's income. What percentage of Aman's income is Raman's income?

The ratio of 45% of 80% of A to 30% of 40% of B is 15: 4. If the average of A and B is 67.5, what is the value of AB?

The difference of two numbers is 15 % of their sum. the ratio of the larger number to the smaller number is: