Quantitative Aptitude - Arithmetic Ability Questions

If three successive discounts of 20%, 30% and 40% are given, then what will be the net discount (in percentage)?

P can do a piece of work in 60 days & Q can do the same work in 50 days. Find the ratio of working efficiencies of P to Q.

If the side of the equilateral triangle is 8√3 cm, then what is the length (in cm) of the in radius of the triangle?

Select the odd word/letters/number/number pair from the given alternatives.

If (x + y)/z = 2, then what is the value of [y/(y – z)] + [x/(x – z)]?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A circle is inscribed in a square. If the length of the diagonal of the square is 14√2 cm, what is the area (in sq cm) of the circle?

A cylinderical container of 32 cm height and 18 cm radius is filled with sand. Now all this sand is used to form a conical heap of sand. If the height of theconical heap is 24 cm, what is the radius of its base?