[ A ] 4136 Rs. 

[ B ] 4316 Rs.  
[ C ] 4436 Rs.  
[ D ] 4536 Rs. 
[ A ] 4136 Rs. 

[ B ] 4316 Rs.  
[ C ] 4436 Rs.  
[ D ] 4536 Rs. 
Answer : Option A 
Explanation : 
Total cost of plastering the inner curved surface area = 2 $\times$ $22 \over 7$ $\times$ $14 \over 2$ $\times$ 23.5 $\times$ 4 = Rs. 4136 
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