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How much will it cost to fence in a field that is 12 feet long and 42 feet wide with fence that cost $ 10 a yeard ?

A company increases every year salary of an officer by 20%.his salary in the year 2001 was tk 26,640.what was his salary in 1999 ?

How many minute will it take police car to travel a distance of d miles if it travels at m mile per hour ?

A and B are in the radio of 5:4,B and in the ratio of 3:2.what is the ratio of A:C ?

An ore contains 26% of copper,to get 91kgs of copper the quantity of are required is

One kilogram is equal to :

A man can cross 10 miles distance of a river in favor of the stream in 2 hours. He can come back against the stream along the same way is 5 hours.what is the average speed in miles per hour,for the entire trip ?

On a trip of 200 miles a man travels at the rate of 40 miles per hour for the first 100 miles for the rest of the trip,he travels at the rate of 55 miles per hour.what is his average speed in miles per hour for the total trip ?

A garden is 60m long and 20m wide.Inside the garden there is a 5m wide path around it.The area of the path is in square meter.

If x+y=4 and x-y=3 then x+2y is-