Quantitative Aptitude - Arithmetic Ability Questions

X can do a piece of work in 'p' days and Y can do the same work in 'q' days . Then the number of days in which X and Y can together do that work is

The price of an article is cut by 31%, to restore to its original value, the new price must be increased by

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

If 3a+4b3c+4d = 3a-4b3c-4d, then 

If ax + by = 1 and bx + ay = 2aba2+b2 then x2+y2a2+b2 is equal to

PQRA is a rectangle, AP = 22 cm, PQ = 8 cm. ΔABC is a triangle whose vertices lie on the sides of PQRA such that BQ = 2 cm and QC = 16 cm .Then the length of the line joining the mid points of the sides AB and BC is

Select the odd word from the given alternatives.

What will be the sum of the measures all the interior angles of a polygon having 14 sides?