A basket contains 350 eggs. If 12% of the eggs are rotten, how many eggs are good enough to be sold?

In a factory, the production of cycles rose to 48,400 from 40,000 in 2 years. The rate of growth per annum is?

After an increase in tea price by 40% a family reduce its consumption of tea to the extent that there should be an increase on tea expense only by 10%. If the earlier consumption of tea was 28 kg, then what will be their new consumption?

If the sales tax be reduced from $$ 3{1\over2}$$ % to $$ 3{1\over3}$$%, what difference does it make to person who purchases an article whose marked price is Rs.8400? 

In a school, if there are 36% boys and 352 girls, then the number of boys is ________.

A businessman’s earning increases by 25% in one year but decreases by 4% in the next. After 5 years his total earnings would be Rs. 72,000. What is the present earning?

Kirti decided to spend 45% of her monthly salary on shopping, after spending Rs 11475 she found that this money was 60% of the amount she spent, what is Kirti's salary?

When the price of an audio system was reduced by 20%, the sale increased by 80%. What was the net effect on the sale?