Area Problems
The three sides of a triangle are 15, 25 and x units. Which one of the following is correct?

10 ? x
10
10? x ? 40
10

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Area Problems
The dimensions of a room are 10m x 7m x 5m. There are 2 doors and 3 windows in the room. The dimensions of the doors are 1m x 3m. One window is of size 2m x 1.5m and the other 2 windows are of size 1m x 1.5m. The cost of painting the walls at Rs. 3 per sq m is

Rs.174
Rs.274
Rs.474
Rs.374

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