Quantitative Aptitude - Arithmetic Ability Questions

If the perimeter of a semi-circle is 36 cm, then find its radius (in cm).

If x tan 60° + cos 45° = sec 45° then the value of x2 + 1 is

List price of TV is Rs. 2300 and discount series found to be 25% and 10%. Then the selling price of TV is

If x - y = -8 and xy = 45, then (x2 + y2) is

2sin[(C+D)/2].sin[(D­-C)/2] is equal to

Vinay professes to lose 4% on sugar and uses a weight of 620 gm instead of 1 kg. What is the total profit percentage?

The distance between the tops of two building 38 metres and 58 metres high is 52 metres. What will be the distance (in metres) between two buildings?

Koushik can do a piece of work in X days and Krishnu can do the same work in Y days. If they work together, then they can do the work in