Quantitative Aptitude - Arithmetic Ability Questions

If the Arithmetic mean of 7, 5, 13, x and 9 is 10, then the value of x is

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔABC is 98 cm sq, what is the area (in sq cm) of quadrilateral BDEC?

The area of a rhombus is 24 m2 and the length of one of its diagonals is 8 m. The length of each side of the rhombus will be:

Alipta got some amount of money from her father. In how many years will the ratio of the money and the interest obtained from it be 10:3 at 6% simple interest per annum?

Which of the numbers given below is the square root of 15376?

The smallest number that must be subtracted from 2800 so that the obtained number is a perfect square is

If x stands for addition, / stands for subtraction, + stands for multiplication and - stands for division, then what is the value of 20 x 8 / 8 - 4 + 2 ?

If y=2secθ and x=3tanθ then x29-y24 is