Distance upstream= 10 km, time taken to row upstream = 5 hrs. Speed upstream = 10/ 5 = 2 km/hr. Distance downstream= 15 km, Time taken to row downstream = 5 hrs. Speed downstream = 15 /5 = 3 km/hr. Speed of the current =(3 – 2) x ½ = 0.5 km / hr
Among D, E, F, G and H each having a different height, G is shorter than E. H is shorter than D. F is taller than E but shorter than H. Who among them i...
There are eight friends — G, H, I, J, K, L, M and N. H is taller than G but shorter than I. I is taller than H but shorter than J. K is ta...
