For the following questions answer them individually
Find the curved surface area in $$cm^{2}$$ of a right circular cylinder of diameter 28 cm and height 12 cm.
In the following question, select the related word pair from the given alternatives. Lion: Den:: ?: ?
In the following question, select the related number pair from the given alternatives. 3:9::?:?
In the following question, select the related letter pair from the given alternatives. MRQ: PUT:: ?: ?
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.