Quantitative Aptitude - Arithmetic Ability Questions

If y% of y is 289, then what is the value of y?

In the following question, select the odd number from the given alternatives.

If cot2A -­ cos2A = x, then value of x is

Area of 4 walls of a cuboid is 57 sq m, if its length is 5.5 m and height is 3 m. What is its breadth (in m)?

M is thrice as good as workman as N and together they finish a piece of work in 30 days. In how many days will M alone finish the work?

In what ratio sugar of Rs 38 per kg and Rs 30 per kg be mixed with each other so that on selling mixture at Rs 35.2 per kg there will be a profit of 10%?

A profit of Rs. 960 is divided between A and B in the ratio 1/3:1/2. The difference of their profit is :

Tan 45° + Cosec 60° =