Area Problems
A tank is 25m long 12m wide and 6m deep. The cost of plastering its walls and bottom at 75 paise per sq m is

Rs. 458
Rs. 558
Rs. 358
Rs. 258

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Area Problems
The length of a class room floor exceeds its breadth by 25 m. The area of the floor remains unchanged when the length is decreased by 10 m but the breadth is increased by 8 m. The area of the floor is

4870 sq.m
5100 sq.m
4442 sq.m
4987 sq.m

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