Quantitative Aptitude - Arithmetic Ability Questions

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?

What is the value of √[(1 + sinA)/(1 -­ sinA)]?

If x2-3x+1=0, then x+1x is (x≠0)

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

What is the total number of points in the plane of triangle ABC which is equidistant from the vertices of the triangle?

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

 In the triangle ABC, the internal bisector of angle A meets the side BC at D. If BD=7.5 cm and BC=9 cm. Then calculate the value of AB:AC.

If compound interest received on a certain amount in the 3rd year is Rs. 1,240, what will be the compound interest (in Rs) for the 4th year on the same amount at 9% rate of interest?