In a particular type od steel, the ratio of iron and carbon is `49 :1 `. Calculate to find, in 250 quintal of such steel how much iron is there.

In a particular type of steel, the ratio of iron and carbon is 49 : 1 . Let's calculate to find, in 250 quintal of such steel how much iron is there.

In a particular type of jewellery the ratio of gold and silver is 4 : 7. In such type of jewellery ornament, how many milligrams of gold has been mixed with 357 milligram of silver, is to be calculated.

What is steel? How does it differ from case iron?

Father bought 4 pens for us. Price of each pen is 5 rupees. I bought 2 more pens of the same type for my friends. Calculate to find how much money did I and father paid for the pens.

Arrange in the order of increasing carbon content: cast iron, wrought iron, steel.

A steel ring is heated up to 95^(@)C to fit exacty on the outer surface of an iron cylinder of diameter 10 cm at 20^(@)C. After fitting, the ring is cooled so that the system attains a temperature 20^(@)C. What is the thermal stress of the ring? [Young's modulus of steel = 21 times 10^(5)kg*cm^(-2) " and " alpha for steel =12 times 10^(-6@)C^(-1).]

The monthly income of a man is 24,750 rupees. He pays house rent of 750 rupees and the remaining money is spent for household expenses and the education of children in the ratio of 3 :1 . Find how much money is spent on household expenses.

There are some water in a long gas jar of 7 cm diameter. If a solid right circular cylindrical pipe of iron having 5 cm length and 5*6 cm diameter be immersed completely in that water, calculate how much the level of water will rise.

During retirement, Binoy get Rs. 1,96,150. He donated rs. 20,000 for school library and the remaining amount he devided among his wife, son and daughter in the ratio of 5 : 4 : 4 . Let's find how much money he gave each of them.

During retirement, Binoybabu get 1,96,150 rupees. He donated 20,000 rupees for school library and the remaining amount he divided among his wife, son and daughter in the ratio of 5: 4 : 4 . find how much money he gave to each of them.