Question

5. The area of a rectangle of breadth 18cm is 360cm. Find its perimeter.
(3)
6. Find the cost of laying square grass tiles of side 1.2m in a rectangular lawn of dimensions
6mx3.6m, when the cost of 1 tiles is Rs. 18.
(4)
7. The length and breadth of a pillow cover is 40cm and 25cm respectively. There is a design of
flower at the corner of pillow cover. Find the total length of lace required to pillow cover and
the flower design. If flower design need 15cm of extra lace.(4)
8. How many metres of carpets 80cm wide are required to cover a floor 24m long and 18m
wide? (3)
9. Find the ratio of 26 to 4 dozens.
(2)
10. In a class there are 28 girls and 16 boys. Find the ratio of the number of boys to the total
number of students in the class.
(2)
11. A bus travel 126km in 3 hrs and a train 315km in 5 hrs. Find the ratio of their speeds.
(4)
12. First, third and fourth terms of a proportion are 18, 27 and 3. Fin the second proportion. (3)​

Answer 1

Answer:

6480 sqcm

Step-by-step explanation:

area of rectangl= length x. Breath

18 x 360 = 6480