Solve the given equation.
$$ {{cot \ 30°}\over {1+sin\ 45°}}+{{1+sin\ 45°}\over cot \ 30°}=?$$

Vipin swims in a 72 meter long pond. He travels 144 meters in one minute by swimming from one end to the other and coming back the same way, find his average speed.

The total number of females are what percent of the total number of males in the organization?

Runs scored by Rohit sharma in some 3 test Matches against Pakastian are as follows 101, 126, 32, 38, 52, and 40. Find median of the given scores.

Find the mean of first Five Prime Numbers.

When a amount is given at a compound interest rate of 18% per annum, the interest received on compound annual payable in two years will be Rs 960 more than half yearly interest. What is the amount?

If each edge of a cube is reduced by 25 percent, find the ratio of the volume of the original cube and the resulting cube?

If an item is sold for Rs. 270, there is a loss of 10 percent on it , then what will be the cost price of that item?