Quantitative Aptitude - Arithmetic Ability Questions

Sumit and Amit undertook a work for Rs 7200. Sumit alone can do the work in 5 days and Amit alone can do the work in 4 days. If they work together,then what will be the difference (in Rs.) in the amount they receive?

What is the value of cosecA/√(cosec2A ­- 1)?

Find the degree of the polynomial 8x4 + 2x2y3 + 4

Select the odd word/letters/number/number pair from the given alternatives.

The difference between cost price and selling price is Rs 221. If profit percentage is 17%, then what is the selling price (in Rs)?

If 3x^2 + ax + 4 is perectly divisible by x - 5, then the value of a is :

A car travels a certain distance at 32 km/h and comes back at 68 km/h. What is the average speed for total journey?