Quantitative Aptitude - Arithmetic Ability Questions

What is the ratio of simple interest earned on certain amount at the rate of 12% p.a. for 9 years and that for 12 years?

What is the measure of an interior angle of a regular decagon?

Find the HCF of 3341 and 3328.

A vendor buys bananas at 7 for Rs 6 and sells at 6 for Rs 7. What will be the result?

If a merchant offers a discount of 20% on the list price, then he makes a loss of 10%. What % profit or % loss will she make if he sells at a discount of 5% of the list price?

The average weight of 35 apples is 50 grams. If some apples of weight 40 grams each were removed, then average weight becomes 57.5 grams. How many apples of weight 40 grams were removed?

A dealer sold an article at 6% loss. Had he sold it for Rs. 64 more, he would have made a profit of 10%. Then the cost of the article is

If x and y are natural numbers such that x + y = 2017, then what is the value of (– 1)x+ (– 1)y?