Quantitative Aptitude - Arithmetic Ability Questions

A and B undertake a piece of work for Rs. 250 . A alone can do that work in 5 days and B alone can do that work in 15 days . With the help of C, they finish the work in 3 days . If every one gets paid in proportion to work done by them, the amount C will get is 

The perimeter of two similar triangles ABC and PQR are 36 cms and 24 cms respectively. If PQ = 10 cm then the length of AB is

If a+b+c=15 and 1a+1b+1c=71abc, then the a3+b3+c3-3abc is

Which of the following is the largest number among 2, 33, 4, 53

The ratio of present ages of Rangana and Sayed is 7:5. After 11 years the ratio of their ages will be 4:3. What is Rangana's present age?

Select the odd letters from the given alternatives.

What are the co­ordinates of the centroid of a triangle, whose vertices are A(­2,­5), B(4,­4) and C(7,3)?

Which of the following quadratic equations has equal roots?