Quantitative Aptitude - Arithmetic Ability Questions

From the top of a platform 5 m high, the angle of elevation of a tower was 30 deg. If the platform was positioned 40√3 m away from the tower, how tall was the tower?

P + Q = 2(P-Q). If Q = 10, what is the value of P?

ΔABC is right angled at B. If m∠A = 60 deg, then find the value of (secC + 2)

Two tangents PA and PB are drawn to a circle of centre O in such a way that angle AOB = 120 deg. Calculate the value of angle APB.

ΔPQR is right angled at Q. If cosP = 3/5, then what is the value of cosR ?

Which of the following pairs is NOT a pair of twin primes?

If 60/75 is equivalent to 4/x, then the value of x is

What is the sum of the first 12 terms of an arithmetic progression if the first term is -19 and last term is 36?