A boat travels upstream from B to A and downstream from A to B in 3 hours. If the speed of the boat in still water is 9 km/h and the speed of the current is 3 km/h, find the distance between A and B in kilometres. by Nilsweb Technology (a) 10 km(b) 12 km(c) 14 km(d) 16 km(e) None of theseAns.(b) Which of the following structures of protein is stored in protein data bank ? squint eye squeeze 3 : 27 : : 4 : ? Which city is the Silicon valley of India? 25 : 125 : : 36 : ? Which soil is best suited for cotton? When was the Reserve Bank of India taken over by the Government? MAD : JXA :: RUN : ? What is the meaning of Battery? 6 : 2 : : 8 : ? moremore