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

Rs. 458
Rs. 568
Rs. 558
Rs. 456

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Area Problems
The area of rectangle whose length is 5 more than twice its width is 75 sq units. What is the perimeter of the rectangle?

30 unit
40 unit
24 unit
20 unit

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