Quantitative Aptitude - Arithmetic Ability Questions

If θ>0, be an acute angle, then the value of it in degrees satisfying cos2θ-3cosθ+2sin2θ=1 is

Praneet started his journey at 2:45:46 p.m. and reached the destination at 4:55:57 p.m. Anit started the journey 58 mins 40 secs after Praneet and reached his destination 50 mins 29 secs after him. How long did Anit take to complete his journey?

If a - b = 3 and a2+b2=25, then the value of ab is

α and β are the roots of the quadratic equation x2 – x – 1 = 0. What is the value of α8 + β8?

The point where the 3 medians of a triangle meet is called

The curved surface area and the diameter of a right circular cylinder are 352 cm² and 14 cm respectively. Find its height (in cm).

A train crossed a 140 m long platform in 15 seconds and a 180 m long platform in 17 seconds. The speed of the train was

John is 15 years younger than Jill, 12 years ago, Jill's age was 1.5 times that of John. Jill is now ___ years old.