Quantitative Aptitude - Arithmetic Ability Questions

If 3√7 + √343 = 19.21, then find the value of √252 + 20√7.

If 1+121+141+161+181-131-151-17 = 1+ 1x, then what is the value of x?

If the square of sum of three positive consecutive natural numbers exceeds the sum of their squares by 292, then what is the largest of the three numbers?

An angle is 30 deg more than one half of its complement. Find difference between the greater and the smaller angles.

If x = (a/b) + (b/a), y = (b/c) + (c/b) and z = (c/a) + (a/c), then what is the value of xyz – x2 – y2 – z2?

40.36 ­- (9.347 -­ x ) -­ 29.02 = 3.68. Find x.

If 4x + 5y = 14 and x - 5y = 16 then the value of x and y are

In ΔABC, the medians AD and BE meet at G. The ratio of the areas of ΔBDG and the quadrilateral GDCE is