Quantitative Aptitude - Arithmetic Ability Questions

The sum of a non-zero number and thrice its reciprocal is 52/7. Find the number.

8 x {5 - (-2) x (-3)} = ?

If 2560.256 = 25.6x, then what will be the value of x?

The difference between the greatest and least five­ digit numbers formed by the digits 2,5,0,6,8 is (repetition of digits are not allowed)

An angle in a semicircle is

The co-ordinates of the centroid of a triangle ABC are (-1 , 4). What are the co-ordinates of vertex C if co-ordinates of A and B are (-3 , -1) and (3 , 5) respectively?

If the sum of the measures of all the interior angles of polygon is 1800°, find the number of sides of the polygon?

A shop keeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of cost price to the printed price of the book is