Advertisements

- 11. A and B finish the job in 15 days.while A,B and C can finish it in 10 days . C alone will finish the job in

A.40 days

B.30 days

C.60 days

D.70 days

Answer & Explanation

Answer: Option B

Explanation:**10 = (15 * x)/(15 + x)**

150+10x=15x

5x=150

X=30

150+10x=15x

5x=150

X=30

- 12. If 32 men and 24 days can reap a field in 9 days in how many days will 28 men and 12 boys reap it supposing that 4 men can do as much as 6 boys?

A.20 days

B.30 days

C.12 days

D.24 days

Answer & Explanation

Answer: Option C

Explanation:**(32m+24b)9=(28m+12b)x**

[Since 24b(6 * 4)b

=> 6 boys = 4 men

=> 24 boys = 16 men]

(32m+16m)9=(28m+8m)x

[since 4 men = 6 boys]

48m*9/36m = 12 days

[Since 24b(6 * 4)b

=> 6 boys = 4 men

=> 24 boys = 16 men]

(32m+16m)9=(28m+8m)x

[since 4 men = 6 boys]

48m*9/36m = 12 days

- 13. A certain number of men can do a work in 40 days . If there were 5 men less it could be finished in 10 days more . How many men are there?

A.15 men

B.25 men

C.18 men

D.12 men

Answer & Explanation

Answer: Option B

Explanation:**x*40 =(x-5)*50**

5x-4x =25

X=25 men

5x-4x =25

X=25 men

- 14. There is a sufficient food for 200 men for 20 days after 15 days 100 men leave the place. For how many days will the rest of the food last for the rest of the men?

A.10 days

B.5 days

C.15 days

D.12 days

Answer & Explanation

Answer: Option A

Explanation:After 13 days , 100 men left,

Therefore 5 days*200 men =x days*100men

X = 10 days

- 15. If A can complete a work in 36 days and B can do the same work in 42days. If A after doing 6 days, leaves the work, find in how many days B will do the remaining work ?

A.35 days

B.15 days

C.30 days

D.25 days

Answer & Explanation

Answer: Option A

Explanation:**A’s one day work =1/36**

6 day work = 6*1/36 = 1/6

Remaining work = 1-1/6=5/6

B completes the work in 5/6*42 = 35 days

6 day work = 6*1/36 = 1/6

Remaining work = 1-1/6=5/6

B completes the work in 5/6*42 = 35 days

**To whom this Time and Work Questions and Answers section is beneficial?**

Students can learn and improve on their skillset for using Verbal Ability effectively and can also prepare for competitive examinations like...

- All I.B.P.S and Public Sector Bank Competitive Exam
- Common Aptitude Test (CAT) Exams
- UPSC Paper-II or CSAT Exams
- SSC Competitive Exams
- Defence Competitive Exams
- L.I.C / G.I.C AO and Clerk Competitive Exams
- Railway Competitive Exam
- University Grants Commission (UGC)
- Career Aptitude Test (IT Companies) and etc.