Quantitative Aptitude - Arithmetic Ability Questions

Marked price of an item is Rs 200. On purchase of 1 item discount is 5%, on purchase of 2 items discount is 14%. Rajeshri buys 3 items, what is the effective discount? 

In a shop 4.5% of 1500 kg toor dal was sold. Find the quantity sold

If a:b = 5:8, find the value of (6a -­ 5b)/(a + 2b).

On selling 30 caps, a shopkeeper earns profit equal to the selling price of 3 caps. What is the profit percentage?

Which of the fractions given below, when added to 5/8, gives 1?

Vishnu travelled equal distances at speeds of 10 kmph, 30 kmph and 8 kmph and took a total of 15.5 min to complete. Find the total distance he travelled, in km.

If a - b = -5 and a2+b2=73, then find ab.

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?