For the following questions answer them individually
An athlete in the Olympic mines covers a distance of 100 in in 10 s. His kinetic energy can be estimated to be in the range of:
Out of the 60 students of a class, 29 took Mathematics, 32 took Biology and 8 took none of the two subjects. How many students took both Mathematics and Biology?
At what percentage simple interest per annum a certain sum will double in 10 years?
Simplify: $$(X^5 \div X^4)^3 \div X$$
Insert the missing character marked as