Quantitative Aptitude - Arithmetic Ability Questions

If (1/4 of x) - (4/5 of 6/7) equals - 9/7, then value of x is

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

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 length of the shadow of a vertical pole be √3 times the height of the pole, the angle of elevation of the sun is:­

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?

In an arithmetic progression, if 9 is the 5th term, -26 is the 12th term, then -6 is which term?

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