Quantitative Aptitude - Arithmetic Ability Questions

John is 15 years younger than Jill, 12 years ago, Jill's age was 1.5 times that of John. Jill is now ___ years old.

A train of length, 245 metres, takes 20 seconds to cross a 355 metres long bridge. How much time (in seconds) will the train take to cross a 390 metres long platform?

A bus is running at a speed of 90 kmph. What distance will it cover in 20 seconds?

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 12% per annum is Rs 72. What is the value of given sum (in Rs)?

What is the sum of the first 12 terms of an arithmetic progression if the first term is 3 and last term is 47?

What is the value of Cot 60 - Sec 30?

What is the value of xy if x - y = 3 and x2+y2=15?

In the following question, select the odd word pair from the given alternatives.