Quantitative Aptitude - Arithmetic Ability Questions

A solid cube is cut into 27 identical cubes. What is the percentage increase in the total surface area?

Find the mean proportional between 2 and 98?

In a triangle PQR, ∠Q = 90°. If PQ = 12 cm and QR = 5 cm, then what is the radius (in cm) of the circum circle of the triangle?

If √[(1 - cosA)/2] = x, then the value of x is

Select the odd word from the given alternatives.

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

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

The radius of two circles is 3 cm and 4 cm. The distance between the centres of the circles is 10 cm. What is the ratio of the length of direct common tangent to the length of the transverse common tangent?