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ATQ, Downstream speed of the Ship = (s + 30)/5 = ‘0.2s + 6’ km/h Upstream speed of the Ship= (s – 10)/5 = ‘0.2s – 2’ km/h Speed of the stream = (0.2s + 6 – 0.2s + 2)/2 = 4 km/h Speed of the ship in still water = 5 × 4 = 20 km/h According to question: 0.2s + 6 = 20 + 4 0.2s = 18 s = 90 So the time taken by the ship to cover ‘4s – 170’ km in still water = (4 × 90 – 170)/20 = 9.5 hours = 9 hours 30 minutes
Select the figure from among the given options that can replace the question mark (?) in the following series.
In the following question, select the related letters from the given alternatives.
CPO : ANM :: JWX : ?
Select the option that represents the correct order of the given words as they would appear in an English dictionary.
1. Luxury
2. Lyrics<...
In a certain code language, ‘DOING’ is written as ‘BQTOV’ and 'ZEBRA' is written as 'FAAKB'. How will ‘STORM’ be written in that language?
Select the correct mirror image of the given figure when the mirror is placed at line MN as shown.
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE : Operations should be performed ...
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE : Operations should be performed ...
How straight lines are there in the given picture?
Read the given statements and conclusions carefully. You have to take the given statements to be true even if they seem to be at variance from commonly ...
The first two figures are related in a certain way. Choose the correct option to replace the question mark ‘(?)’ which has the similar relation with...
