- Remaining Timing :-
(1). Speed of a boat is 8 km/hr in still water. If the rate of current is 4 km/hr. Find the respective speed of the boat in up and down stream?
- (a). 16& 6km/hr
- (b). 12 &4 km/hr
- (c). 4 & 12km/hr
- (d). 12 & 3km/hr
- (e). None of these
Explanation:
(2). Find the respective speed of the boat in up and down stream, if speed of the boat is 12 km/hr in still water and the rate of water current is 3 km/hr.
- (a). 15 & 9km/hr
- (b). 9 & 15km/hr
- (c). 12 & 3km/hr
- (d). 4 & 12km/hr
- (e). None of these
Explanation:
(3). A boat goes upstream at 12 km/hr and downstream at 20 km/hr. Find the respective speed of the boat in still water and speed of water current.
- (a). 16&8km/hr
- (b). 8&16km/ph
- (c). 16&4km/ph
- (d). 9 & 15km/hr
- (e). None of these
Explanation:
(4). Find the respective speed of the boat in still water and velocity of water current, if a boat goes upstream at 15 km/hr and downstream at 35 km/hr.
- (a). 10 & 25km/hr
- (b). 25 &10km/ph
- (c). 25&9km/ph
- (d). 16&4km/ph
- (e). None of these
Explanation:
(5). A man swims downstream 45 km and upstream 21 km, taking 3 hours each time. What is the velocity of current and the man speed in stationary water?
- (a). 11 & 4km/hr
- (b). 5 & 22km/hr
- (c). 4 & 11km/hr
- (d). 25&9km/ph
- (e). None of these
Explanation:
(6). What is the velocity of water and a boat speed in standing water, if the boat goes downstream 40 km and upstream 16 km, taking 4 hours each time?
- (a). 6&14km/hr
- (b). 3&7 m/hr
- (c). 14& 6km/hr
- (d). 4 & 11km/hr
- (e). None of these
Explanation:
(7). A boat running downstream covers a distance of 20km in 2hrs while it covers the same distance upstream in 5 hrs. Then the respective speed of the boat in still water and current speed?
- (a). 7& 3km/hr
- (b). 3 &7km/hr
- (c). 5&7km/hr
- (d). 14& 6km/hr
- (e). None of these
Explanation:
(8). Find the respective speed of the boat in still water and velocity of water current, if the boat running downstream covers a distance of 45 km in 3hrs while it covers the same distance upstream in 9 hrs.
- (a). 12 &15 km/hr
- (b). 15&12 km/hr
- (c). 10&5 km/hr
- (d). 5&7km/hr
- (e). None of these
Explanation:
(9). If a speed of the boat in still water is 25 km/hr then what is the sum of the boat speed in up and downstream?
- (a). 30km/hr
- (b). 35km/hr
- (c). 50km/hr
- (d). 10&5 km/hr
- (e). None of these
Explanation:
(10). Find the sum of a boat speed in up and downstream, if speed of the boat in still water is 17 km/hr.
- (a). 25km/hr
- (b). 34km/hr
- (c). 8.5km/hr
- (d). 50km/hr
- (e). None of these
Explanation:
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