The average of 7 consecutive numbers is 20. The largest of these numbers is:

A car travels at 60 km/h for the first 2 hours and 40 km/h for the next 3 hours. What is the average speed of the car?

A sum of ₹2,500 becomes ₹2,975 in 3 years at simple interest. What is the rate of interest?

A shopkeeper offers two successive discounts of 20% and 10%. What is the equivalent single discount?

The sum of two numbers is 40 and their difference is 4. What is the ratio of the two numbers?

If 6 men and 8 boys can do a piece of work in 10 days, while 26 men and 48 boys can do the same in 2 days, what is the time taken by 15 men and 20 boys?

A shopkeeper sells an article for ₹960 and gains 20%. What was the cost price of the article?

A sum of ₹5,000 becomes ₹6,050 in 2 years at compound interest. What is the annual rate of interest?

Two pipes A and B can fill a tank in 20 minutes and 30 minutes respectively. If both pipes are opened together, how much time will they take to fill the tank?

A cistern has two taps which fill it in 12 and 15 minutes respectively. There is also a waste pipe. When all three are opened, the cistern is filled in 20 minutes. How long will the waste pipe take to empty it?

If x:y = 3:4 and y:z = 8:9, what is x:z?

If a certain sum amounts to ₹12,100 in 2 years at 10% compound interest compounded annually, what is the principal sum?

In a family of 6, the average age is 25 years. If the youngest member is 5 years old, what was the average age of the family just before his birth?

The difference between Simple Interest and Compound Interest on ₹1000 for 2 years at 10% per annum is?

The price of sugar rises by 25%. By how much percent should a household reduce consumption to keep the expenditure same?

Find the average of the first five prime numbers.

A man can do a piece of work in 5 days, but with the help of his son, he can do it in 3 days. In what time can the son do it alone?

A sum of money doubles itself in 8 years at simple interest. What is the rate of interest per annum?

If a person travels at 40 km/h, they reach their destination 10 minutes late. If they travel at 50 km/h, they reach 5 minutes early. Find the total distance.

The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is: