Quantitative Aptitude - Arithmetic Ability Questions

The difference between simple interest on a certain sum at the rate of 6% per annum for 5 years and 6 years is 25.8. What is the sum (in Rs)?

When 0.090909.....is converted into a fraction, then the result is

In the given figure, in a right angle triangle ABC, AB = 12 cm and AC = 15 cm. A square is inscribed in the triangle. One of the vertices of square coincides with the vertex of triangle. What is the maximum possible area (in cm.sq) of the square?

The marked price of a ceiling fan is Rs. 1200 and the shopkeeper allows a discount of 5 % on it. Then selling price of the fan is

If 4/5th of 6/7th of a number is 216, then 8/9th of that number will be

When a number is increased by 120, it becomes 130% of itself. What is the number?

The mean of 20 observations is 19. One more observation is included and the new mean becomes 20. The 21st observation is

ΔABC a right angled triangle has ∠B = 90° and AC is hypotenuse. D is its circumcentre and AB = 3 cms, BC = 4 cms. The value of BD is