Question

A hall is 15 m long, 10 m wide and 8 m high. There is a door 4 m by 2 m and two
windows each 3 m by 2 m. Find the cost of distempering the walls at Rs.2 per sq.m.
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Answer 1

Answer:

17. A train is 125 m long. If the train takes

30 s to cross a tree by the railway line,

then the speed of the train is

Step-by-step explanation:

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