Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word/letters/number/number pair 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.

3cosA is equal to

 What is the value of (cosec45 + √3/2) ?

Find the 4th proportional to 9, 17 and 27.

A box of 20 items was bought for Rs. 6,400 after a discount of 20%. Find the cost of each item.

Out of two numbers, 30% of the smaller number is equal to 18% of the larger number. If the sum of the two numbers is 840, then what is the value of the larger number?

The rate of simple interest for which a sum of money becomes 5 times in 8 years is