A shopkeeper on selling 33 metres of cloth obtain a profit equal to the selling price of 11 metre of cloth the profit is

Two numbers are in the ratio 3:5. If each number is increased by 10, the ratio becomes 5:7. The numbers are -

A discount of 16% on the marked price of a book enables a man to buy a pen that costs? 80. How much did he pay for the book?

If  $${{(17)^3-(7)^3}\over (17^2+7^2+k)}=10 $$ , then what is the value of k?

Virat starts a business with Rs.6,500 and after 8 months Sohan joins Virat as his partner. After 4 years the profit is divided in the ratio of 13 : 12. What is Sohan contribution in the capital?

Directions : The Bar Graph given here shows the population (in crores) of India in various census years. Observe the graph and answer the question based on it.

Peryear increase in population from the year 1931 to 1981 is

A person has to cover a distance of 160 km in 15 hours. If he covers $${4\over 5}$$ of the distance in $${2\over 3}$$  of the time, then what should be his speed (in km/h) to cover the remaining distance in the remaining time?

The ratio of the cost price and selling price of an article is 10 : 11. The gain per cent is: