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10., , 11., , 12., , 13., , 14,, , 15., , 16,, , , , , , L BOATS AND STREAM |, , The speed of a boat in still water is 2km, , , , , , /hr. If its speed upstream be 1 km/hr, then speed of the stream is, , , , , , km/h:, , (1) 2 km/ “a es (2) 3 km/hr (3) 1 km/hr (4) 1.5 km/hr (5) None of these, , Aboat oe upstream in 56 minutes, The speed of stream is 2 km/hr. The speed of boat in still water is, , (1) 6 km/ - @) 1S km/hr (3) 14 kem/hr (4) 17 km/hr (5) None of these, , ‘tess of a boat in still water is 10 km/hr. If its speed downstream be 13 km/hr, then speed of the, , (1) 1.5 km/hr (2) 3 km/hr (3) 11.5 km/hr (4) 5.75 km/hr (5) None ofthese, , The rowing s) of man i i i i P55/, , ihe rere fs ‘an in still water is 20 km/hr. Going downstream, he moves at the rateofS5/km/hr., ’, , (1) 45 km/hr (2) 2.5 km/hr (3) 12.5 km/hr (4) 5 km/hr (5y, , Aman can row downstream at the rate of 14 km/hr and upstream at 5 km/hr. Find maln’Sixate in still water., , (1) 9.5 km/hr (2) 8 km/hr (3) 8.5 km/hr (4) 9 km/hr (5) None of these, , A man can row downstream at the rate of 16 km/hr and upstream at 11 iff? ‘Find man’s rate in still, , water. 4 (, , (1) 14 km/hr (2) 13.5 km/hr (3) 14.5 km/hr (4) 15.5 km/hr (5) None of these, , A boat moves with a speed of 11 km per hour along the stream and 7 en, , rate of the stream is, , (1) 1 km/hr (2) 1.5 km/hr (3) 2 km/hr ey, Aman rows upstream 11 km and downstream 26 km gg 58, , ygpmhour against the stream. The, es, , s /hr (5) None of these, each time. The velocity of the current, , , , is, , , , (1) 1 km/hr (2) 1.3 km/hr (3) 1.5 km/hrg™” via 2.5 km/hr, , Aman can row 4.5 km/hr in still water and he finds thaétit, the river. Find the rate of stream., , (5) None of these, es him twice as long to row up as to row down, , , , , , Pe, (1) 2 km/hr (2) 1.5 km/hr (3h2. i/hr (4) 1.75 kan/hr (5) None of these, , cee, Aman can row 6 km/hr in still water. It takes twice as long to row up as to row down the river. Find the, rate of the stream. 4, , , , , (1) 2 km/hr (2)3 km/hr = (3) 1.5 km/hr (4) 1 km/hr (5) None of these, , The speed of a boat in still water isab5 igm/hr and the rate of current is 3 km/hr. The distance travelled, downstream in 12 minutes is e., , (1) 3.6 km (2) 2.4 km“ (3) 1.2 km (4) 1.8 km (5) None of these, Speed of a boat in standing erie 7 km/hr and the speed of the stream is 1.5 km/hr. A distance of 7.7 kn,, , ep, , going upstream is covered ir wy, (1) 1 br 15 min pita 12 min (3) 1 hr 24 min (4) 2 hr 6 min (5) None of these, , A boat travels upstréaim 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/hraind the speed of the current is 3 km/hr, the distance between A and B (in kn) is, , (1) 4 / (2)6 (3) 8 (4) 12 (5) None of these, , , , , , , , , , . Aman can row 6 km/hr in the still water. If the river is running at 2 km/hr, it takes him 3 hours to row to, , a placeyand ‘back. How far is the place?, (1) Senn’ r (2) 12 km (3) 9 km (4) 6 km iG) Noneege thaws, , The rateof flow of river water is 4 km/hr. A boat goes 6 km and back to the starting point in 2 hours. Find, the speed of the boat in still water., , (1) 6 kin/hr (2) 8 km/hr (3) 9 km/hr (4) 10 km/hr (5) None of these, , In a stream running at 2 km/hr, a motorboat goes 12 km upstream and back again to the starting point in, 2.5 hours. Find the speed of the motorboat in still water., , (1) 15 km/hr (2) 12 km/hr (3) 10 km/hr (4) 9 km/hr (5) None of these, 98

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— ——~y, , 1%; Aman can row 45 km upstream and 66 km downstream in 15 hts. Also, he can row 65 km upstream and, 77 km downstream in 20 hrs. Find the speed of the man in still water and rate of the current., , (1) 8 km/hr, 3 km/hr (2) 11 km/hr, 3 km/hr (3) 11 km/hr, 8 km/hr, (4) 9 km/hr, 2 km/hr (5) None of these, , 18. A man can row 60 km upstream and 88 km downstream in 20 hrs. Also, he can row 80 km upstream ang, 110 km downstream in 26 hrs. Find the speed of the man in still water and rate of the current., .(3) 8 km/hr, 3 km/hr, , (1) 12 km/hr, 4 km/hr (2) 16 km/hr, 6 km/hr, (4) 7 km/hr, 4 km/hr (5) None of these, 19. Ajay can row a certain distance downstream in 5 hours and return the same distance in 7 hours. If the, stream flows at the rate of 2 km per hour find the speed of Ajay in still water., (1) 12 km/hr (2) 10 km/hr (3) 18 km/hr (4) 16 km/hr (5) None of these, 20. Rohit can row a certain distance downstream in 8 hours and return the same distance in 12 |. If the, stream flows at the rate of 5 km per hour find the speed of Rohit in still water., (1) 20 km/hr (2) 30 km/hr (3) 15 km/hr (4) 25 km/hr (Sf'Mone8F these, < to the starting, , , , 21. A man can row at a speed of 4.5 km/hr in still water to a certain upstream point and:, point in a river which flows at 1.5 km/hr. Find his average speed for total journey. »y, (1) 4 km/hr (2) 6 km/hr (3) 4.5 km/hr (4) 5 km/hr EP None of these, , 22. A man row at a speed of 8 km/hr in still water to a certain distance upstreanfand ack to the starting point, in a river which flows at 4 km/hr. Find his average speed for total journey. and, , (1) 8 km/br (2) 6 km/hr (3) 4 km/hr (4) 10 km/hr (5) None of these, 23. Aman can row 5 km/hr in still water. If the river is running at 1 km/hr, tpkes 2 hours more in upstream, , than to go downstream for the same distance. How far is the place?¢ if, , (1) 24 km (2) 20 km (3) 18 km é ‘km (5) None of these, 24. Aman can row 7 km/hr in still water. If the river is running ai yhr, it takes 6 hours more in upstream, , , , , , , , , , , , than to go downstream for the same distance. How far is ice?, (1) 48 km (2) 36 km (3) 42 km Pa) 40km (5) None of these, ANSW, , BOATSAND STREAM, , 130 24 32 44 S51 62 33 CF 92 10.1, 183 19.1 20.4 CG 2.2 23.1 24.4, , 11 12.3 13.4 14.1, , _, , 152 16.3 17.1, , , , 99