Quantitative Aptitude - Arithmetic Ability Questions

The measures of the four angles of a quadilateral are in the ratio 3:4:5:6. What is the measure of the biggest angle?

The ratio of the number of boys and girls in a school is 3:2. If 20% of the boys and 25% of the girls are scholarship holders, the percentage of the school students who are not scholarship holders is

If Sec θ = 13/12, then Cot θ = ?

If a+1b=1 and b+1c=1 , then the value of c+1a is

A tap can fill a tank in 50 minutes. If the tank has a leakage which alone is capable of emptying the tank in 2.5 hours, the tank will now be filled in

There are two numbers such that the first number is half of the second number. If their average is 57, then what is the first number?

If x2+1x2-6, then find the value of 2x(x-1)x3-x2-x+1

The areas of two similar triangles ΔABC and ΔPQR are 36 sq cms and 9 sq cms respectively. If PQ = 4 cm then what is the length of AB (in cm)?