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Let the speed of the stream be x km/hr and both the boats meet after t hours According to the question, ⇒ (7 + x) t + (10 – x) t = 119 ⇒ 7t + 10t = 119 ⇒ 17t = 119 ⇒ t = 119/17 = 7 hours
A piece of cake
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Widely known and esteemed
Which of the Phrases (a), (b), (c) and (d) should replace the highlighted phrase in the sentence to make it grammatically correct?
Though he ...
Spin your wheels
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Do a roaring trade
Select the most appropriate meaning of the bold idiom in the given sentence.
You must have a concrete project and not build castles in the ai...
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On the spur of the moment