Quantitative Aptitude - Arithmetic Ability Questions

The value of -261+(-380)-(-521)+821-(-121)

A can make a cupboard in 10 days and B can do it in 50 days. Along with C, they did the job in 6.25 days only. Then in how many days C alone can do the job?

√(cosec2 -­ 1)/cosecA is equal to?

The percentage change of a number when it is first decreased by 10% and then increased by 10% is

If the sum of the digits of any integer between 100 and 1000 is subtracted from the same integer , the resulting number is always divisibleby

The difference between the compound interest (compounding annually) and simple interest on a sum at the rate of 12% per annum for 2 years is Rs 360. What is the sum (in Rs)?

What is the length of the side of an equilateral triangle, if its area is 36√3 sq cm?

The measures of the four angles of a quadilateral are in the ratio 3:4:5:6. What is the measure of the biggest angle?