LET US PRACTISE 14.3
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Fin
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1. A rectangular field of 150 m by 100 m has a 10 m path around it. Find the area of the path.
Find the area of the path inside a square field of side 10 m. The breadth of the path is 2 m. Find
the cost of levelling the path at 2.50 per sq. m.
A verandah 4 m broad runs round a hall, which is 20 m long and 15 m wide. Find the area of the
verandah.
4. A rectangular plot has length 80 m and breadth 45 m. A 4 m wide path extends along the inside
edge of the plot. Find the area of the path.
5. A lawn is 80 m long and 30 m wide. Through the centre of the lawn paths each 2 m wide, run at
right angles. Find the area of the remaining portion of the lawn.
6. Find the area of the path running outside the following fields of given dimensions :
a. 15 m * 10 m, breadth of the path is 0.5 m.
b. 20 m * 15.5 m, breadth of the path is 1.5 m.
7. A picture has 15 cm by 2.5 cm dimensions. A 2.5 cm broad frame is required to cover it. Find the
cost of the frame at * 1.50 per sq. cm.
8. A garden is 120 m long and 96 m wide. Two cross roads each 5 m wide, one parallel to the length
and the other parallel to the breadth are laid in the middle of it. Find the area of the cross roads.
9. A rectangular plot 85 m long and 60 m broad is to be covered with grass having width of 5 m all
round. Find the area to be laid with grass.
10. A footpath of uniform width 5 m runs all round the inside of a rectangular field 38 m long and
32 m wide. Find the area of the path.
Answers
1. A rectangular field of 150 m by 100 m has a 10 m path around it. Find the area of the path.
Find the area of the path inside a square field of side 10 m. The breadth of the path is 2 m. Find
the cost of levelling the path at 2.50 per sq. m.
A verandah 4 m broad runs round a hall, which is 20 m long and 15 m wide. Find the area of the
verandah.
4. A rectangular plot has length 80 m and breadth 45 m. A 4 m wide path extends along the inside
edge of the plot. Find the area of the path.
5. A lawn is 80 m long and 30 m wide. Through the centre of the lawn paths each 2 m wide, run at
right angles. Find the area of the remaining portion of the lawn.
6. Find the area of the path running outside the following fields of given dimensions :
a. 15 m * 10 m, breadth of the path is 0.5 m.
b. 20 m * 15.5 m, breadth of the path is 1.5 m.
7. A picture has 15 cm by 2.5 cm dimensions. A 2.5 cm broad frame is required to cover it. Find the
cost of the frame at * 1.50 per sq. cm.
8. A garden is 120 m long and 96 m wide. Two cross roads each 5 m wide, one parallel to the length
and the other parallel to the breadth are laid in the middle of it. Find the area of the cross roads.
9. A rectangular plot 85 m long and 60 m broad is to be covered with grass having width of 5 m all
round. Find the area to be laid with grass.
10. A footpath of uniform width 5 m runs all round the inside of a rectangular field 38 m long and
32 m wide. Find the area of the path.