Quantitative Aptitude - Arithmetic Ability Questions

Simple interest on a certain sum of money for 3 years at 10% per annum is half the compound interest on Rs 6000 for 2 years at 10% per annum. The sum placed on simple interest is

If selling price of 39 articles is equal to the cost price of 42 articles, then what will be the profit percentage?

What is the sum of all natural numbers between 100 and 400 which are divisible by 13?

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

Find out the odd word/letters/number pair from the given alternatives

Find out the odd word/letters/number/number pair from the given alternatives.

In the given series of numbers how many 7's are there which are immediately followed by 9 and immediately not preceeded by 5 ?

Calculate the value of 55-5, if the value of √5 = 2.236.