Question
Two boats X and Y start towards each other from two
places, 168 km apart. Speed of the boat X and Y in still water are 9 km/hr and 12 km/hr respectively. If X proceeds down and Y up the stream, they will meet after.Solution
Let the speed of the stream be x km/hr and both the boats meet after t hours According to the question, ⇒ (9 + x) t + (12 – x) t = 168 ⇒ 9t + 12t = 168 ⇒ 21t = 168 ⇒ t = 168/21 = 8 hours
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 ‘______’.
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