Quantitative Aptitude - Arithmetic Ability Questions

There is 40% increase in an amount in 8 years at simple interest. What will be the compound interest of Rs. 36000 after 2 years at the same rate?

Select the odd word/letters/number/number pair from the given alternatives.

If (cotAcotB - 1) / (cotB + cotA) = x, then the value of x is

What least number must be added to 4131, so that the sum is completely divisible by 19?

One of four words is a class to which the other three belong. Identify the class.

A sum of Rs 6000 becomes Rs 7200 in 2 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 3 years?

Find the value of sin230 cos245 + 4 tan230 + 1/2sin290 - 2 cos290 + 1/24

If M = 0.1 + (0.1)2 + (0.01)2 and N = 0.3 + (0.03)2 + (0.003)2, then what is the value of M + N?