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A boat can go 3 km upstream and 5 km downstream in 55 minutes. It can also go 4 km upstream and 9 kin downstream in 1 hour 25 minutes. In how much time (in hours) will it go 43.2 km downstream?
Concept: undefined >> undefined
The speed of a boat in still water is 6 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance or 22.5 km and comes back to the starting point. The total time taken by him is:
Concept: undefined >> undefined
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A boat takes 4 hours to travel from a place X to Y downstream and back from Y to X upstream. If the distance from X to Y is 10.5 km, and the speed of the current is 9 km/h, then the speed of the boat in still water, in km/h, is:
Concept: undefined >> undefined
A person can row `7 1/2` km an hour in still water and he finds that it takes him twice as long to row up as to row down the river. The speed of the stream is:
Concept: undefined >> undefined
A man rows upstream 36 km and downstream 48 km taking 6 hours each time. The speed of the current is
Concept: undefined >> undefined
The speed of a boat in still water is 18 km/h and the speed of the current is 6 km/h. In how much time (in hours) will the boat travel a distance of 90 km upstream and the same distance downstream?
Concept: undefined >> undefined
A man swims downstream a distance of 15 km in 1 hour. If the speed of the current is 5 km/hour, the time taken by the man to swim the same distance upstream is
Concept: undefined >> undefined
A man rows to a place 35 km in distant and back in 10 hours 30 minutes. He found that he could row 5 km with the stream in the same time as he can row 4 km against the stream. Find the rate of flow of the stream:
Concept: undefined >> undefined
On a river. Q is the mid-point between two points P and R on the same bank of the river. A boat can go from P to Q and back in 12 hours, and from P to R in 16 hours 40 minutes. How long would it take to go from R to P?
Concept: undefined >> undefined
If a number is on the top of a dice, then which number will be in the opposite of 5?
Concept: undefined >> undefined
From the given four positions of a single dice, find the number of dots at the face opposite to the face having I dot.
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| I | II | III | IV |
Concept: undefined >> undefined
Three positions of a cube are shown below.

Which numbers will come on two faces marked 'A and B'?
Concept: undefined >> undefined
Few cubes are arranged as shown in the figure. How many cubes are unseen?
Concept: undefined >> undefined
There are same figures on opposite faces of a cube in the given below.
It is expended on opening, how will it be seen?
Concept: undefined >> undefined
Which one of the following began with Dandi March?
Concept: undefined >> undefined
In the following question, select the diagram out of those given below that most appropriately relates to the group in the question.
Monkeys, Mammals, Animals
Concept: undefined >> undefined
March 23 is observed as Martyrs Day to commemorate the death anniversary of which Indian freedom fighters?
Concept: undefined >> undefined
In the following question, select the diagram out of those given below that most appropriately relates to the group in the question.
Vegetables, Potato, Apple
Concept: undefined >> undefined
In the following question, select the diagram out of those given below that most appropriately relates to the group in the question.
Civil Engineers, Boiler Engineers, Engineers
Concept: undefined >> undefined
Select the set of classes the relationship among which is best illustrated by the following Venn diagram.

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