Quantitative Aptitude - Arithmetic Ability Questions

What is the value of (1/√2) Cot 45° + (1/√3) Cosec 60°?

The average of a,b,c is 20 and that of b,c,d is 25; if d=30, then the value of a is

Kishan cycled a distance of 120 km at a certain speed. If he cycled 2 km slower every hour, he would have taken 3 more hours to reach his destination. What is the speed in kmph at which Kishan actually cycled?

Sum of lengths of all edges of a cube is 84 cm, find its volume?

A person invested a total sum of Rs 7900 in three different schemes of simple interest at 3%, 5% and 8% per annum. At the end of one year he got same interest in all three schemes. What is the money (in Rs) invested at 3%?

What is the simplified value of (1– sin A cos A)(sin A + cos A)?

What is the value of tan4A + tan2A?

The ratio of selling price to the cost price is 13 : 17. What is the loss percentage?