Quantitative Aptitude - Arithmetic Ability Questions

3cosA is equal to

What is the HCF of 36, 72 and 126?

In the given figure, PQR is a right angled triangle at Q. If PQ = 35 cm and QS = 28 cm, then what is the value (in cm) of SR?

P, Q and R are channels which discharge solutions A,B and C respectively in a tank. When the tank is empty and all the three channels are opened what is the proportion of the solution C in the tank after 3 minutes, if the channels P, Q and R can fill the tank from empty to full in 30 minutes and 20 minutes and 10 minutes respectively when they are opened one at a time.

If a perfect square, not divisible by 6, be divided by 6, the remainder will be

In the first 36 overs of a cricket match, the run rate was 4.3 runs/over. Calculate the required run rate in the remaining 14 overs to reach the target of 271 runs?

If tan2A + cot2A + 2 = x, then the value of x is

Expand : S + 23