Quantitative Aptitude - Arithmetic Ability Questions

A sum of Rs 20000 becomes Rs 32000 in 12 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 2 years?

28% of a number is 35. What is the number?

What is the value of [2 cot × (p – A)/2]/[1 + tan2× (2p – A)/2]?

What is the value of [(cos 3θ + 2cos 5θ + cos 7θ)÷(cos θ + 2cos 3θ + cos 5θ)] + sin 2θ tan 3θ?

If a2+1=9a, (a≠0) then the value of a2+1a2 is

Find equation of the perpendicular bisector of segment joining the points (2,-5) and (0,7)?

Of the 3 numbers whose average is 72, the first is 2/7 times the sum of other 2. The first number is

Find the number of prime factor of 1024.