Advertisements
Advertisements
प्रश्न
The breadth of a rectangular room is 2 m less than its length. If the perimeter of the room is 14m, find it's dimensions.
उत्तर
Let the length of the rectangle be x
breadth = x - 2
perimeter = 2(length + breadth)
∴ 2(x + x - 2) = 14
⇒ 2x - 2 = 7
⇒ x = 4.5
∴ breadth
= 4.5 - 2
= 2.5.
APPEARS IN
संबंधित प्रश्न
Solve the following equation:
14 = 27 - x
Solve the following equation:
`5/8 "n" = 20`
Solve: `"x"/3 - "x"/4 = 2`
Solve: `"4x"/3 - "7x"/3 = 1`
Solve: `"2x"/3 + "x"/2 - "3x"/4 = 1`
Solve the following equation for the unknown: `(1.5y)/(3) = (7)/(2)`
A boy played 100 games, gaining Rs. 50 on each game that he won, and losing Rs. 20 for each game that he lost. If on the whole he gained Rs. 800, find the number of games that he won.
5 years ago, the age of a man was 7 times the age of his son. The age of the man will be 3 times the age of his son in 5 years from now. How old are the man and his son now?
In a class there are a certain number of seats. If each student occupies one seat, 9 students remain standing and if 2 students occupy one seat, 7 seats are left empty. Find the number of seats in the class.
A man sells an article and makes a profit of 6%. Had he bought the article at a price 4% less and sold at a price higher by Rs 7.60, he would have made a profit of 12%. Find his cost price.
