Question
The ratio of the speed of the boat in upstream to that
of in downstream is 3:4, respectively. If the speed of the current is 5 km/h, then find the speed of the boat in still water.Solution
According to the question: Let the speed of the boat in still water = x km/h Speed of the boat downstream = (x+5) km/h Speed of the boat upstream = (x−5) km/h According to the question, (x−5):(x+5)=3:4 4(x−5)=3(x+5) 4x−20=3x+15 4x−3x=15+20 x=35 km/h
Select the option in which the numbers are not related in the same way as are the number of the following set.
(12, 15, 90)
"Vanish" is related to "Disappear" in the same way as "Prudent" is related to "____".
Which word will best complete the relationship given below?
Bricklayer : Trowel :: Tailor : ?
Select the option that is related to the third term in the same way as the second term is related to first term and the sixth term is related to the fi...
Select the related number from the given alternatives:
8 : ? :: 7 : 344
- Select the option that is related to the third number in the same way as the second number is related to the first number.
25 : 105 :: 55 : ? 45 : 9 ::Â (?) Â : 7
Select the option that is related to fourth letter-cluster in the same way second letter cluster is related to first letter-cluster.
Rose: Flo...
If 14 @ 8 = 4 and 22 @ 15 = 6, then 18 @ 12 = ?'. What will come in place of question mark?
‘Confined spaces’ is related to ‘Claustrophobia’ in the same way as ‘Insects’ is related to ‘______’.
Relevant for Exams:
