The area of the base of a right cone is 154 m2 and its volume is 308 m2. The height of the cone is:

6, 18, 24, 9, 27, 33, 11?, ?

The marks obtained by 10 students in Science (out of 50) are 30, 41, 40, 41, 30, 41, 30, 28, 41, 40.

The modal mark is:

Oranges are bought at 5 for Rs. 10 and sold at 6 for Rs. 15. The profit or loss as percentage is:

Which is the greatest five digit number exactly divisible by 279?

6(3 – x) –5 (2x – 4) = 4(3x–) + 14