If a chair sold for Rs. 600 at the profit of 20%, then the original price of the chair is:

12 men complete a work in 18 days. Six days after they had started working, 4 men joined them. How many days will all of them take to complete the remaining work?

If A can do a work in 10 days and B can do the same work in 15 days, then how many days will they take to complete the work both while working together?

The sum of three numbers is 252. If the first number is thrice the second and third number is two-third of the first, then the second number is

On dividing a certain number by 342 we get 47 as remainder. If the same number is divided by 18, what will be the remainder?

The sum of 10 terms of the arithmetic series is 390. If the third term of the series is 19. Find the first term

What least value must be assigned to ‘*’ so that the number 63576 * 2 is divisible by 8?

The ratio of two positive numbers is 3 : 4. The sum of their squares is 400. What is the sum of the numbers?