Quantitative Aptitude - Arithmetic Ability Questions

The variance of a set of data is 121. Then the standard deviation of the data is

In the following question, four number pairs are given. The number on left side of (–) is related to the number on 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.

In the following question, four number pairs are given. The number on left side of (–) is related to the number on 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

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

A dinner set is quoted for Rs 1500. A customer pays Rs 1173 for it. If the customer got a series of two discounts and the rate of first discount is 15% then the rate of second discount was,

The LCM of 14, 21 and 35 is

The shadow of a tower when the angle of elevation of the sun is 45°, is found to be 10 m longer than when it was 60° . The height of the tower is

The total surface area of a hemisphere is 462 sq.cm. Find its diameter (in cm).