Quantitative Aptitude - Arithmetic Ability Questions

What is the value of Cot 45° + Cosec 60°?

What is the value of S = 11x3x5 + 11x4 + 13x5x7 + 14x7 + 15x7x9 + 17x10 + ... upto 20 terms. Then what is the value of S? 

The perimeter of two similar triangles ABC and PQR are 36 cms and 24 cms respectively. If PQ = 10 cm then the length of AB is

What will be the equation of the perpendicular bisector of segment joining the points (5,­3) and (0,2)?

How much quantity (in kg) of wheat costing Rs 84 per kg must be mixed with 81 kg of wheat costing Rs 60 per kg so that on selling the mixture at Rs 75.9 per kg, there is a gain of 15%?

A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. The number of points the team scored was

A hexagonal prism has 18 edges. How many vertices does it have?

Of the 3 numbers whose average is 72, the first is 2/7 times the sum of other 2. The first number is