Quantitative Aptitude - Arithmetic Ability Questions

The length of each side of a rhombus is 25 m and the length of one of its diagonals is 14 m. Find the area of the rhombus?

Choose the one which is different or odd from the following options?

Two successive discounts of 10% and 25% are given by Raman on a shirt. If the marked price of the shirt is Rs 600, then what is the value (in Rs) of discount?

The average of 12 numbers is 9. If each number is multiplied by 2 and added to 3, the average of the new set of numbers is

At 8% simple interest per annum a sum of money becomes Rs. 300 in 2.5 years. What was the sum invested?

Mr. Akbar sold a bus for Rs.20,400 with a loss of 15%. At what price should the price should the bus be sold to get a profit of 15%?

At least one pair of opposite angles is congruent in a _____.

If tan (5x ­- 10°) = cot (5y + 20°), then the value of x + y is