A boat running downstream covers a distance of 24 km in 3 hrs while it covers the same distance upstream in 6 hrs. Then speed of the boat in still water is
Let the speed of boat in still water be a km/hr and that of stream be b km/hr. Therefore, 24/(a + b)= 3 ⇒ a + b = 8 ………..(i) 24/(a – b)= 6 ⇒ a + b = 4 ………..(ii) On adding, eq (i) and (ii) ⇒ 2a = 12 km/hr ⇒ a = 6 km/hr
The more money the governments pored into it, the harder it was to walk away.
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Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.
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I sit behind the counter and wait for a customer to come in and by something, but they all walk past the window as though the place were invisib...
Select the word with the correct spelling.
Find the correctly spelt word as your answer.
Choose the word with correct spelling.
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In each question below, four words that are numbered a, b, c, and d have been printed of which one may be wrongly spelt. The number of that word is the ...