Directions: Study the following graph carefully & answer the questions given below it.
The pie chart given below shows the break-up of the cost of construction of a house (in degrees). Assuming that the total cost of construction is Rs. 60000, answer the questions given below.
Important for :
The amount spent on cement is
» Explain it
Total cost = Rs. 60000

Amount spent on cement

= Rs. 72  × 60000 = Rs. 12000

Hence, option C is correct.

» Explain it
Amount spent on labour 

90  × 60000 = Rs. 15000

Amount spent on steel

= Rs. 54  × 60000 = Rs. 9000

Difference = 15000 - 9000 = Rs. 6000

i.e., 10% of the total cost.

Hence, option B is correct.

The amount spent on cement, steel and supervision is what percent of the total cost of construction?
» Explain it
Amount spent on cement steel and supervision

(72 + 54 + 54)  × 100%

 Required percentage

180  × 100% = 50%

Hence, option C is correct.

The amount spent on labour exceeds the amount spent on supervision by
» Explain it
Difference in angle of labour and supervisos = 90° - 54° = 36°

   Amount =  36°  × 60000 = 6000.

Hence, option D is correct.

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