The wages of 10 workers for a six-day week is Rs. 1200. What are the one day’s wages of 4 workers?

The L.C.M. of two numbers is 12 times their H.C.F.. The sum of the H.C.F. and L.C.M. is 403. If one number is 93, then the other number is:

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: