Group is kind of doubt clearing class where any one can ask questions related to Banks Exams ... and share questions that seems tough and doubtful while participating in any test
John and David worked together and completed a piece of work in 30 days. John worked alone for 16 days and David alone completed the remaining part of the work in 44 days. In how much time could David alone complete the whole work? (A) 45 days (B) 50 days (C) 56 days (D) 60 days (E) 64 days
Pipes A and B can fill a tank in 30 and 20 minutes, respectively. Third pipe C can empty the tank at a rate of 28 litre per minute. If all the pipes are opened, when the tank is full, then it is emptied in 4 hours. What is the capacity of the tank? (A) 320 litres (B) 280 litres (C) 255 litres (D) 205 litres (E) 180 litres
In how many ways can 4 girls and 3 boys be selected from 8 girls and 6 boys such that if a girl named A is selected, a boy named K should also be selected? (A) 350 (B) 1050 (C) 700 (D) 1400 (E) None of these
A total of 75 men can do a piece of work in 75 days by working for 8 hours per day. How many days will 25 women working 10 hours per day take to do the same work, if the efficiency of a man and a woman is in the ratio 3 : 2? (A) 150 days (B) 175 days (C) 212 days (D) 227 days (E) 270 days
In what ratio should water be added to a liquid costing Rs. 12 per litre so as to make a profit of 25% by selling the diluted liquid at Rs. 13.75 per litre? (A) 12 : 11 (B) 1 : 11 (C) 3 : 5 (D) 4 : 1 (E) 11 : 1
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