Quantitative Aptitude - Arithmetic Ability Questions

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

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?

What is the value of ( 1/√3 + cot60) ?

One of the roots of the equation x2 - 4x + k = 0 is x = 3. The other root is

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 height of a tower is 50√3 m. The angle of elevation of a tower from a distance 50 m from its feet is

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