6. The following pie diagram represents expenditure on
different items in constructing a building. Answer the following questions :
(a) Find the expenditure of each of the items if the
total construction cost is Rs. 5,40,000.
(b) Which is the item with the maximum expenditure ?
(c) Which is the item with the minimum expenditure ?
Sol.
Total expenditure = Rs. 540000
a.
|
Particulars
|
Measure of Central Angle
|
Expenditure in Rs.
|
|
Bricks
|
500
|
(50÷ 360)× 540000 = 75000
|
|
Cement
|
750
|
(75÷ 360)× 540000 = 112500
|
|
Steel
|
450
|
(45÷ 360)× 540000 = 67500
|
|
Timber
|
900
|
(90÷ 360)× 540000 = 135000
|
|
Labour
|
1000
|
(100÷360)×540000 = 150000
|
|
Total
|
3600
|
Total Expenditure = 540000
|
(b)
The item with maximum expenditure is labour.
(c) The item
with minimum expenditure is steel.