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4 pipes inlet and 2 pipes outlets, find water inlet etc.
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The speed of a motor boat in still water is 15 km/hr and the rate of current is 3 km/hr. What is the distance travelled downstream in 12 minutes?
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ABCE is an isosceles trapezoid and ACDE is a rectangle. AB = 10 and EC = 20. What is the length of AE?
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A can do a piece of work in 20 days, which B can do in 12 days. In 9 days B does ¾ of the work. How many days will A take to finish the remaining work?
In a family Reshma is elder sister of Ragini . Soni is Reshma's daughter and Saloni is Soni's cousin. Rgini's mother is Rajani. Ramani is the sister-inlaw of Reshma. Who is Soni's grandmother?
