Quantitative Aptitude - Arithmetic Ability Questions

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

At a telephone exchange, three phones ring at intervals of 20 sec, 24 sec and 30 seconds. If they ring together at 11 : 25 a.m, when will they next ring together?

If secA + tanA = x, then find the value of x.

Find the odd word/letters/numbers pair from the given alternatives.

What is the perimeter of the sector whose central angle is 60° and radius of the circle is 21 cm?

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

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.

Which among the following is a mismatched pair of religion practiced and its holy book?