Time and Work - Quantitative Aptitude (MCQ) questions

Dear Readers, Welcome to Quantitative Aptitude Time and Work questions and answers with explanation. These Time and Work solved examples with shortcuts and tricks will help you learn and practice for your Placement Test and competitive exams like Bank PO, IBPS PO, SBI PO, RRB PO, RBI Assistant, LIC,SSC, MBA - MAT, XAT, CAT, NMAT, UPSC, NET etc.

After practicing these tricky Time and Work multiple choice questions, you will be exam ready to deal with any objective type questions.

1)   Raj can build a house alone in 16 days but Suraj alone can build it in 12 days. Raj and Suraj work on alternate days. If Raj works on first day, the house will be built in how many days?
- Published on 12 Apr 17

a. 12.5 days
b. 13(3/4) days
c. 48/7 days
d. 24/7 days
Answer  Explanation 

ANSWER: 13(3/4) days

Explanation:
time and work


2)   A can complete a work in 12 days and B can complete in 8 days. A works for 8 hours every day while B works for 10 hours every day. If A and B together start working 8 hours per day, in how many days will they complete the work?
- Published on 11 Apr 17

a. 8 days
b. 60/11 days
c. 39/12 days
d. 15/8 days
Answer  Explanation 

ANSWER: 60/11 days

Explanation:
work and time


3)   If Ram and Shyam together can build a house in 10 days; Ram and Arun can build it together in 12 days and Shyam and Arun can build it in 15 days. Shyam, Ram and Arun start working together. In how many days they build the house?
- Published on 11 Apr 17

a. 6 days
b. 4 days
c. 8 days
d. 12 days
Answer  Explanation 

ANSWER: 8 days

Explanation:
work and time


4)   P can do a job in 15 days. In how many days can P and Q together complete the job if Q is twice as fast as P?
- Published on 11 Apr 17

a. 3 days
b. 5 days
c. 2 days
d. 6 days
Answer  Explanation 

ANSWER: 5 days

Explanation:
time and work


5)   Mahesh asked 32 men to build his house in 20 days. 80% of the work got completed in just 12 days. So Mahesh removed some workers. Now how many persons does he need to complete the remaining work in decided time?
- Published on 11 Apr 17

a. 12
b. 20
c. 32
d. 16
Answer  Explanation 

ANSWER: 12

Explanation:
time and work


6)   A takes twice as much time as B or thrice as much time as C to finish a piece of work; working together they can finish the work in 2 days. B can do the work alone in
- Published on 07 Jul 17

a. 12 days
b. 4 days
c. 8 days
d. 6 days
Answer  Explanation 

ANSWER: 6 days

Explanation:
time and work


7)   A can do 1/4th part of work in 10 days and B can do 40% work in 40 days and C can do 1/3rd of the work in 13 days. Who will complete the work first?
- Published on 07 Jul 17

a. A
b. B
c. C
d. A and C both
Answer  Explanation 

ANSWER: C

Explanation:
time and work


8)   A and B can finish a piece of work in 30 days, B and C can finish it in 15 days, C and A in 10 days. Time taken by them together to do this work is?
- Published on 07 Jul 17

a. 5 days
b. 2(1/2) days
c. 7(1/2) days
d. 10 days
Answer  Explanation 

ANSWER: 10 days

Explanation:
time and work


9)   P and Q can do a work in 12 days. Q and R can do the same work in 16 days, and R and P can do it in 24 days. Find the time in which P, Q and R can finish the work together.
- Published on 17 Mar 17

a. 9(3/4) days
b. 10 days
c. 11(1/4) days
d. 10(2/3) days
Answer  Explanation 

ANSWER: 10(2/3) days

Explanation:
work and time


10)   P and Q together can do a work in 18 days. P alone can do the same work in 27 days. In how many days can Q alone do the same work?
- Published on 15 Mar 17

a. 54 days
b. 36 days
c. 45 days
d. 9 days
Answer  Explanation 

ANSWER: 54 days

Explanation:
work and time


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