A can run 224 metre in 28 seconds and B in 32 seconds. By what distance A beat B? வெள்ளி, பிப்ரவரி 28, 2020
There are two buildings P and Q. If 15 persons are sent from P to Q, then the number of persons in each building is the same. If 20 persons are sent from Q to P, then the number of persons in P is double the number of persons in Q. How many persons are there in building P? வெள்ளி, பிப்ரவரி 28, 2020
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