Quantitative Aptitude - Arithmetic Ability Questions

The ratio of two numbers is 6 : 11 and their difference is 65. What will be the smaller number among both the numbers?

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.

If a retailer offers a discount of 28% on the marked price of his goods and thus ends up selling at cost price, what was the % mark up?

The selling price of an article is 8/5th of its cost price. Then the gain percentage is

The circumference of a circle is 88 cm. Find its radius (in cm).

What is the simplest form of (1 + cosA)(cosecA ­ cotA)?

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

Three pipe P, Q and R can fill a tank in 12 minutes, 18 minutesand 24 minutes respectively. The pipe R is closed 12 minutesbefore the tank is filled. In what time the tank is full?