Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd word pair from the given alternatives.

tan2Asin2Ais equal to

If sum of Rs.1000 amount to Rs.1331 in 3 years, compounded annually. Then, find the rate of interest per annum?

The sum of three numbers is 252. If the first number is thrice the second and third number is two-third of the first, then the second number is

If one angle of a triangle is equal to half the sum of the other two equal angles, then the triangle is

If a triangle has its orthocenter and centroid of equal length, then which of the following is TRUE about the triangle?

R borrowed Rs. 1,200 at 13% per annum simple interest. What amount will R pay to clear the debt after 5 years?

A certain number of men agreed to do a work in 20 days. 5 men did not come for work. Others completed the work in 40 days. Find the number of men who had agreed to do the work originally.