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a boat running upstream take 8 hour 48min to cover a certain distance while it takes 4 hours to cover the same distance running downstream.what is the ratio between the speed of boat and speed of water current respectively.

Mr. X has to build a wall 1000 metres long in 50 days. He employes 56 men but at the end of 27 days finds that only 448 meyres are built. How many more men must be employed so that the work may be finished in time?

sir , I'm user of cracku since 6mnths..can you please tell me the last year cut offs of ibps clerk
thanking you.

A cistern can be filled by two pipes A and B in 7.5 hrs. They are opened for 2.5 hrs and then B is closed. A alone now requires 6 2/3 hr more to fill cistern. How long would A take to fill the cistern working alone?

please solve this question, the answer is (d)

hi how to enroll?

sir please provide daily quizzes

How to solve maths

I want to sell  my CAT test series. Is is totally new. Not a single test is taken. It has 25 mocks and 30 sectional tests. Any one interested can contact/whatsapp me on 9742251550. Price is 1350(Negotiable).