Quantitative Aptitude - Arithmetic Ability Questions

The ratio of present ages of Rangitha and Shaheen is 6:5. After 12 years the ratio of their ages will be 7:6. What is Rangitha's present age?

The mean of marks secured by 45 students in division A of class X is 56, 40 students of division B is 52 and that of 40 students of division C is 50. Find the mean of marks of the students of three divisions of Class X.

In the given figure, PQR is a right angled triangle at Q. If PQ = 35 cm and QS = 28 cm, then what is the value (in cm) of SR?

If the number x3331 is divisible by 11, what is the face value of x?

What is the equation of the line which intercepts x­axis and y­axis at 3/4 and ­2/3 respectively?

If Sin4A - Cos4A = 1 then (A/2) in degrees is 0° < A ≤ 90°

The upper part of a tree broken over by the wind make an angle of 60 deg with the ground. The distance between the root and the point where top of the tree touches the ground is 25 metres. What was the height (in metres) of the tree?

If cos -4π/3 = x, then the value of x is