Answer:
7.3 yards
Step-by-step explanation:
Given :A tree with a height of 12 yards casts a shadow that is 33 yards long at a certain time of day.
At the same time, another tree nearby casts a shadow that is 20 yards long.
To Find: How tall is the second tree?
Solution:
Let the length of another tree be x
Length of first tree = 12 yards
Length of shadow of first tree = 33 yards
Length of shadow of second tree = 20 yards
There is a direct variation between length of tree and length of Shadow .
A.T.Q
So, the height of the seconds tree is 7.27 ≈ 7.3 yards
Hence the height of the second tree is 7.3 yards
So, Option C is correct.
Given
A rectangular park of length 60 m breadth 50 m encloses with volleyball court of length 18 m and breadth 10 m.
To find:
The area of the park excluding the court at the rate of Rs 110 per square meter.
Solution:
Area of a rectangle is:
Area of whole park is:
Area of volleyball court is:
Now, the area of the park excluding the court is:
Therefore, the area of the park excluding the court is 2820 square meter.