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?

If cos -225° = x, then the value of x is

If cos -4π/3 = x, then the value of x is

If 1/√(1 + cot2A) = x, then value of x is

The slope of the line passing through the points (7,-2) and (x,1) is -3/10. Find x.

Select the odd number from the given alternatives.

Compute of 69696 x 9999 =

In a triangle ABC, the length of in-radius and circum-radius is 2 units and 6 units respectively. Find the distance (in units) between the in-centre and circum-centre.