Quantitative Aptitude - Arithmetic Ability Questions

Aparna changes the marked price of an item to 50% above its C.P. What % of discount allowed in approximately to gain 10%?

Find the value of '?, if the mean of the data set 18, 16, 22, 13, ? = 16.

If ABCD is a trapezium, AC and BD are the diagonals intersecting each other at point O. Then AC : BD is

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

What is the digit in unit's place of the product 51 x 52 x 53 ...... 59?

If (1 + sinA)/cosA + cosA/(1 + sinA) = x, then the value of x is

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

In the following question, select the odd word pair from the given alternatives.