Quantitative Aptitude - Arithmetic Ability Questions

If a(x + y) = b(x - y) = 2ab, then the value of 2(x2 + y2)

A photographer allows a discount of 10% on the advertised price of a camera. The price (in Rs) that must be marked on the camera, which cost him Rs 600, to make a profit of 20% would be

What number should be added to each of the numbers 55, 100, 65 and 116, so that the resulting numbers are in continued proportion?

If A, B and C are denoting Mean, Median and Mode of a data and A : B = 9 : 8. Then the ratio of B : C is

If (333 + 333 + 333) (233 + 233) = 6x, then what is the value of x?

Calculate the angle subtended by the chord at the point on the major arc if the radius and the chord of the circle are equal in length.

A sum of Rs 8000 is divided into two parts. The simple interest on first part at the rate of 21% per annum is equal to the simple interest on second part at the rate of 35% per annum. What is the interest (in Rs) of each part?

In a right angled triangle if hypotenuse is 20 cm and ratio of other two sides is 4:3, the length of the sides are