Quantitative Aptitude - Arithmetic Ability Questions

If a+1b = 1 and b+1c = 1 then c+1a = ?

What is the value of 1sin490-θ+1cos290-θ - 1 ?

What is the value of 4600+540+1280+250+36 ?

A sum of Rs 6000 becomes Rs 7200 in 2 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 3 years?

If the shopkeeper sells an item at Rs 450 which is marked as Rs 600, then what is the discount he is offering?

If a - b = -7 and a2+ b2= 85, then find ab.

7 litres mixture of milk and water contains 30% water. 3.5 litres of milk is added to this mixture. What is the percentage of water in the new mixture?

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 9% per annum is Rs 405. The sum is ______ .