Quantitative Aptitude - Arithmetic Ability Questions

If the radius of the cylinder is decreased by 20%, then by how much percent the height must be increased, so that the volume of the cylinder remains same?

One internal angle of a rhombus of side 12 cm is 120°. What is the length of its longer diagonal?

In an arithmetic progression, if 9 is the 5th term, -26 is the 12th term, then -6 is which term?

The sum of three consecutive even numbers is 42. Find the middle number.

After buying a toy for Rs. 66, Raghu managed to sell it at a profit of 15%. The selling price of the toy was

A boat covers a distance of 14 km upstream and 16 km downstream in 9 hours. It covers a distance of 12 km upstream and 40 km downstream in 11hours. What is the speed (in km/hr) of the boat in still water?

Find the odd word/letters/number 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.