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AMIT TUSHIR

· started a discussion

· 1 Months ago

c (Question: 451922.0 )

c must be the answer......dono side increase krenge to 7 increase hoga

Question:
A hall 25 metres long and 15 metres broad is surrounded by a porch of uniform width of 3.5 metres. The cost of flooring the porch at Rs. 27.50 per square metre is:
Options:
A) Rs. 9149.50
B) Rs. 8146.50
C) Rs. 9047.50
D) Rs. 4186.5 
Solution:

Ans.(c)

Area of porch

= (25+7) × (15+7) –25 × 15

= 704 – 375 = 329 

Cost of flooring = 329× 27.5

= Rs. 9047.50 (app.)

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