Upstream speed = 36 km / 6 hours = 6 km/h. Downstream speed = 63 km / 3 hours = 21 km/h. Let the speed of the boat in still water be B km/h and the speed of the stream be S km/h. Upstream speed = B − S = 6 km/h. Downstream speed = B + S = 21 km/h. Adding the two equations: 2B = 27 ⇒ B = 13.5 km/h. Ans. b
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Column (2)
(A) ChildLine has been in operation
(D) the scheme is not yet available.
(B) It has functione...
In the following question, two columns are given, containing three phrases each. A phrase from the first column may or may not connect with a phrase fr...
Directions: You are required to match statements from columns 1, 2 and 3 and find which of the following pairs of statement make sense meaningfully and...
Match Column I and Column II and choose the correct match from the given choice
Match Column I and Column II and choose the correct match from the given choice
| Column (1) | In the following question, two columns are given, containing three phrases each. A phrase from the first column may or may not connect with a phrase fr...
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