Question

Three friend XY & Z are decided to go for boating in ganga river. They
started boating from someswara to Ramkund at a distance of 42 km and then
again return to the someswara. They took 20hr in all the time taken by them
riding downstream in going 14km is equal to the time taken by riding up
strum in going om
For calculating they took speed of the boat as x km/hr instill water and
the speed of the river as ykm/hr. based on the above situation answer the
following questions
i.The speed of the boat in downstream is
(a) x+y km/hr
(b)x-y km/hr
(c) xy km/hr
(d) x/y km/h

ii. The speed of the boat in upstream is
(a) x+y km/hr
(b) x-y km/hr
(c) xy km/hr
(d)x/y km/hr
iii.The speed of boat in still water is
(a) 5 km/hr
(b) 2 km/hr
(c)7km/hr
(d) None

iv.The speed of river is

(a) 5 km/hr
(b) 2 km/hr
(c) 7 km/hr
(d) None

v. The speed of boat in upstream is

(a) 5 km/hr
(c) 2km/hr
(b) 3km/hr
(d) None​

Answer 1

Answer:

i.x+y km/hr

ii. xy km/hr

iii.none

iv. 5 km

v.3km/hr

Step-by-step explanation:

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