Ram can row a boat in still water at 10km/h. He decided to go boating in a river. To row upstream he takes 2 hours and to row downstream he taken 1.5 hours. Find the speed of the river. @Abhijit Mazumdar sir
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LAST Q. ans = 40km/8 h, D=S*T, S=D/T, S=40/8, S=5,,,,,,36km/6h, D=S*T, S=D/T, S=36/6, S=6,,,,,NOW, SPEED OF THE BOAT =1/2(U-V), =1/2(5+6), 1/2*11, =5.5km/h
Speed of the boat 1/2(u+v)
Correct but we have written the formula wrong. It should be ½(u+v)
Upstream speed=40km/8h=5km/h Downstream speed=36km/6h=6km/h
Speed of the boat in Still water =1/2(6+5)=1/2(11)=5.5km/h
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40/8=5, 36/6=6. 1/2(5+6)
1/2*11 (5.5km/h)ans
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Ram can row a boat in still water at 10km/h. He decided to go boating in a river. To row upstream he takes 2 hours and to row downstream he taken 1.5 hours. Find the speed of the river. @Abhijit Mazumdar sir
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HW:- 1/2*6+5= 5.5 km/h
H/W
Upstream=5
Downstream =6
Formula= U+D/2
=11/2
=5.5 km/h 🙏🏻🙏🏻
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Ans-(b)5.5km/h
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Last question ans: speed of the boat in still water= 5.5 km/hr
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Homework ans is option b) 5.5km/h
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H/W
Ans:b)5.5km/h
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H/W answer is 5.5km/h.....1/2(u+v) formula use kra hoise
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Last question answer is the 5.5km/h
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Last question ans is (b) 5.5 km/h
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H/W question tur Answer (b) 5.5
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Sir last question Ans. is 5.5km/h
Last Question Ans is = Correct option (b) = 5.5
Home work ans- 5.5km/h
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Last one h/w answer is (b) 5.5 km/h
H.w- 5.5km/h.
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Ans:- b( 5.5km/h)
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Last question Answer:- 5.5 km/h
Question No 5, Answer is 5.5 Km/h
Hw(ans)b. 5.5 km/h
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H/w:-- 5.5 km/h❤ 1/2 (u+v). 1/2(5+6). 1/2×11 = 5.5//
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H/W answer:- 5.5 Km/h
H/W ans - (b)5.5
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Ans = 5.5 km/h
H/W
Ans:5.5km/h
Ans: b) 5.5 km/h
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Last question ans is..b...5.5 km/h
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Last q .ans is 5.5 km/h
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Ans :5.5km/h
B)5.5km/h
Ans: b) 5.5 km
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5.5km/h
Sir please CI, square roots/cube roots, time and work,age related ei 4ta topics r uport 4ta video diyok... youtoub t sai e study koricu, it's urgent 😢🙏🏻
Last answer: 5.5km/h
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H/w
Ans :5.5 km/h