Quantitative Aptitude - Arithmetic Ability Questions

Simple interest on a certain sum of money for 3 years at 14% per annum is half the compound interest on Rs. 10000 for 2 years at 10% per annum. The sum placed on simple interest is

A boy crosses a 300 metres wide road in 30 seconds. What is his speed (in km/hr)?

P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?

What is the distance between the points (4,7) and (­1,­5)?

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

Select the odd letters from the given alternatives.

If 9/4th of 7/2 of a number is 126, then 7/2th of that number is _____.

If (9 - 3x) - (17x - 10) = -1, then the value of x is