Diameter of base and height of a conical tent are 8 m and 3 m respectively

Diameter of base and height of a conical tent are 8 m and 3 m respectively. If the rate of canvas cloth is Rs. 70 per square meter, then the cost of canvas cloth required (in Rs.) is ………..
(a) 440
(b) 4400
(c) 4440
(d) 4447

Anurag Mishra Professor Asked on 25th May 2016 in Maths.
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    Answer: (b) 4400 

    Anurag Mishra Professor Answered on 31st May 2016.
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