Quantitative Aptitude - Arithmetic Ability Questions

A train is moving at the speed of 72 km/hr. How many seconds will it take to cover a distance of 1400 m ?

What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?

24.97% of 84.01 ÷ 6.995 = ?

A bag has Rs12.9 in the form of 1 rupee, 50 paise and 10 paise coins in the ratio of 3:2:3. How many 50 paise coins are there in the bag?

The number of trees in a town is 17640. If the numbers of trees increases annually at the rate of 5%, then how many trees were there 2 years ago?

If 1/2 is added to a number and the sum is multipled by 3, the result is 21. Then the number is

Of the 5 numbers whose average is 72, the first is 1/8 times the sum of other 4. The first number is _____.

An engineering student has to secure 45% marks to pass. He gets 54 and fails by 36 marks. Find the maximum marks.