The population of a town at present is 2000.If it increases by 10% every year,what is the population after 2 years?

What is 20% of 5% of 50% of 10000

If the cost of 20 pens is equal to SP of 30pens,find loss%

If CP of 10 pens is equal to SP of 20 pens,find gain%

When 50 T.V sets of the same price were sold,a profit of 10 sets was obtained. Find gain%

When a person sold 66 dresses, he got the profit of 44 dresses, find his gain%