By selling an article for Rs. 100, a man gains Rs. 15. Then, his gain % is:

If 8% of x = 4% of y, then 20% of x is :

If the price of sugar rises by 10 per cent, a householder must reduce his consumption of sugar by _________Percent so as not to increase his expenditure.

If the discount on Rs. 498 at 5% simple interest is Rs.18, when is the sum due?

A sum fetched a total simple interest of RS. 4016.25 at the rate of 9 p.c.p.a. in 5 years. What is the sum?

The price of tea being increased by 20%, a man reduces his consumption by 20%. By how much percent will his expenses for tea be decreased?

What percentage of 2650 is Rs.1987.50?

What is the present worth of Rs. 132 due in 2 years at 5% simple interest per annum?

I buy a 20% stock of face value 50/- at 45/- and sell it at 55/-. A year later, what is my yield

A number when decreased by 14% of it, gives 215. What is the number?