Time and Work Aptitude Questions for Bank PO and SSC Exams

Time and Work Questions and Answers

Q.11 An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3 ½ hours to fill the tank. The leak can drain out all the water of the tank in……

(A) 10 ½ hrs.

(B) 12 hrs.

(C) 21 hrs.

(D) 24 hrs.

Q.12 Taps A and B can fill a bucket in 12 minutes and 15 minutes respectively. If both are opened and A is closed after 3 minutes, how much further time would it take for B to fill the bucket?

(A) 7 min. 45 sec.

(B) 8 min. 5 sec.

(C) 7 min. 15 sec.

(D) 8 min 15 sec.

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Q.13 Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours, C is Closed and A and B can fill the remaining part in 7 hours. The number of hours taken by C alone to fill the cistern is……

(A) 10

(B) 12

(C) 14

(D) 16

Q.14 A contractor undertook to complete a piece of work in 120 days and employed 140 men upon it. At the end of 66 days only half of the work was done, so he put on 25 extra men. By how much time did he exceed the specified time?

(A) 1

(B) 4

(C) 3

(D) 2

Q. 15 If m men working m hours a day for each of m days produce m units of work, then the unit of work produce by n men working n hours a day for each of n days is?

(A) m2/n2

(B) n2/m2

(C) m2/n3

(D) n2/m3

Q. 16 A and B can complete a job together in 75 minutes. B and C can do it in 55 minutes and C and A can do it in 50 minutes. A and C individually will finish the work in….

(A) 15 and 35 min

(B) 35 and 75 min

(C) 132 and 80 min

(D) none of these.

Q.17 A can do a piece of work in 16 days, With the help of C, he finished the work in 6 days. If the total remuneration if Rs. 400, what is A’s share?

(A) Rs. 150

(B) Rs. 100

(C) Rs. 125

(D) Rs. 140

Q.18 A can do as much work as C in 2 days and C does in 3 days as much work as B in 4 days, what time B would require to do a work which A can finish in 16 weeks?

(A) 36

(B) 33

(C) 30

(D) none of these

Q.19 Three persons A, B, C rent the grazing of the ark for Rs. 570. A puts 126 oxen in the park for 3 months, B puts in 162 oxen for 5 months and C puts in 216 oxen in 4 months. What part of rent should B pay?

(A) 250

(B) 225

(C) 200

(D) 100

Q.20 A gang of labourers do a piece of work in 10 days, but five of them became absent and so the rest do the work in 12 days. Find the original number in the gang?

(A) 36

(B) 33

(C) 30

(D) 39

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