Time & work And pipe & tank Quant Quiz for SBI PO PRE & LIC AAO 2019 (Day 31) | 8th March 2019

Time & work And pipe & tank Quant Quiz for SBI PO PRE & LIC AAO 2019

Quant Quiz to improve your Quantitative Aptitude for SBI PO & SBI clerk exam quant, IBPS PO quant , IBPS Clerk quant , IBPS RRB quant, and other competitive exams.

Q1. A & B working together can complete a piece of work in 72 days, B & C working together can complete the same work in 90 days and A & C working together can complete the same work in 75 days. If A, B & C starts working together, then find in how many days will the same work be completed? 






Q2.  Shubham work for 5 days and remaining work was completed by Harvinder in 9 days. If Harvinder work for 12 days then remaining work was completed by Shubham in 3 days, then find how much time Harvinder will take to complete the work alone. 






Q3. A pipe can fill a tank in 36 minutes & another pipe can fill it in 48 minutes, but a third Pipe can empty it in 18 minutes. The first two pipes are kept open for 16 minutes in the beginning then the third Pipe is also opened. In what time is the cistern emptied? 

A) 120 min

B) 80 min

C)  96 min 

D) 112 min
E)  144 min

Q4. There are three pipes-A, B & C. A & B are filling pipes and C is emptying pipe. Pipe-A alone can fill the tank in 1 hour & pipe-C is 20% more efficient than pipe-A. If pipe-A & B working together fill the tank in 75/2 minutes, then find in how much time pipe-A, B & C working together can fill the tank? 

A) 6 hours 

B) 4.5 hours

C) 2.5 hours

D) 3 hours

E) 5 hours

Q5.  If Hemant works for 20 days and Manoj works for 15 days then 3/5th of the work has been completed. If Manoj works for 6 days and Hemant works for 16 days then 2/5th of the work has been completed. Find in how many days both can complete the work together. 

A)  30 days 

B) 50 days

C) 75 days

D) 60 days

E) Can’t be determine.

Q6. If X men can do a work in (X+16) days and (2X+32) men can do same work in 8 days then find in how man days (X-8) men can do half of the work.

A) 32 days

B) 16 days

C)  64 days 

D) 48 days

E) 48 days

Q7. There pipes X, Y and Z can fill a tank in 12 minutes, 15 minutes and 18 minutes respectively. Only pipe Y is opened for the first 2.5 min. and then pipe Z is also opened. After 3.5 min. more pipe X is also opened. Find the approximate time taken to fill the tank? 

A) 6 min

B) 8 min

C) 10 min

D) 5 min

E) 7 min

Q8.   A, B & C can do a piece of work in 20 days, 40 days & 80 days respectively. All three start work simultaneously and after two days C left the work, after another two days B also left the work. Find the percentage of work done by A, If A working alone and complete the remaining work? 

A) 62.5%

B) 85%

C)  87% 

D) 87.5%

E) 90%

Q9. A can do a piece of work in 16 days, B in 10 days. A and B work at it together for 6 days and then C finishes it in 3 days, in how many days could C have done it alone?

A)  40 days 

B) 80 days

C)  90 days 

D) 120 days

E) none of these

Q10.  A takes half as long to do a piece of work as B takes, and C does it in the same time as A and B together, and if all three working together would take 7 days, how long would each take separately? 






Q1. Ans(B)

Q2. Ans(B)

Q3. Ans(C)

Let Capacity of tank be 144 litre.
So, efficiency of Ist Pipe = 4 litre / min
Efficiency of IInd Pipe = 3 litre /min
Efficiency of IIIrd pipe = 8 litre /min
First tank will be filled by pipe Ist & IInd and then emptied when pipe Ist, IInd & IIIrd together are opened
So, (4 + 3) × 16 = (8 – 4 – 3) t
t = 112/1 = 112 min.

Q4. Ans(C)

Q5. Ans(A)

Q6. Ans(A)

Q7. Ans(B)

Q8. Ans(D)

Q9. Ans(D)

Q10. Ans(A)

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