Quantitative Aptitude - Arithmetic Ability Questions

Simplify (2/7 + 3/5) / (2/5 + 2/7)

If the angles of a triangle are in the ratio of 2 : 5 : 8, then find the value of the largest angle.

Find out the odd word/letters/number/number pair from the given alternatives.

n an alloy, lead and tin are in the ratio of 2 : 3. In the second alloy, the ratio of same elements is 3 : 4. If equal quantities of these two alloy are mixed to forma new alloy, then what will be the ratio of these two elements in the new alloy? 

If cos(A-B) - cos(A+B) = x, then the value of x is

The tangents drawn at points A and B of a circle with centre O, meet at P. If ∠AOB = 120° and AP = 6 cm, then what is the area of triangle (in cm2) APB?

At least two pairs of consecutive angles are congruent in a _____.

Curved surface area of a cylinder is 660 sq cm. If circumference of its base is 44 cm, find the volume of the cylinder?