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The average of a set of 12 numbers, which includes 35, is N. If 35 is removed from the set and 38 is added to...

If n + n = k +k and n + k = 5, then n=?

A train 120 m long is traveling at a speed of 60 km / h. The time in which it will pass a passes by, walking a...

A rectangular carpet has an area of 120 sq. meters and a perimeter of 46 meters. The length of its diagonal is...

The area of smallest square that can circumscribe a circle of area 616 cm2 is -----

A man borrowed Tk . 900 at 10% per annum simple interest and immediately lent the whole sum at 10% per annum c...