If the surface area and volume of sphere are in the ratio 1:2. what in the radius of the sphere?
H.C.F. of 24, 48 and 60 is
Which of the following is divisible by both 6 and 15?
If 3rd December is Monday, then the next nearest year, which day would be !st January?
Investing Rs. 1,620/- in 8 % stock, Michael earns Rs. 135/-. The stock is then quoted at :
Arun earns Rs. 90/- in 7 hours and Varun Rs. l20/- in 11 hours. The ratio of their earnings is :