Quantitative Aptitude - Arithmetic Ability Questions

If a3 + b3 + c3 - 3abc = 0, then the value of a2/bc + b2/ac - 3.

Select the odd number from the given alternatives.

There are 10 dozen apples, 15 dozen mangoes and 20 dozen oranges for selling. If 1/2, 1/3 and 1/4 of them are sold respectively. How many of the total fruits are remaining?

The area of a semicircle is 1925 sq.cm. Calculate its perimeter (in cm).

The volume of metallic cylindrical pipe of uniform thickness is 748 c.c. Its length is 14 cm and its external radius is 9 cm. The thickness of the pipe is

A regular square pyramid has side of its base 20 cm and height 45 cm is melted and recast into regular triangular pyramids of equilateral base of side 10 cm and height 10√3 cm. What are the total numbers of regular triangular pyramid?

The product of two numbers is 0.432. One of the numbers is 1.6. What is the other number?

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