ssc cgl preparation 2019-20 |time and work p-1 · ssc cgl preparation 2019-20 |time and work p-1 |...

1. Ram can do a piece of work in 8 hours and Shyam alone can do it in 12 hours. In how muchtime will they finish the whole work working together?

(A) 𝟒𝟒

𝟒days (B) 𝟒

𝟒

𝟓days

(C) 𝟒𝟑

𝟓days (D) 𝟑

𝟒

𝟒days

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2. Reeta and Geeta can do a piece of work in 20 days. While Reeta alone canfinish the work in 30 days. In how many days Geeta alone finish the work?

(A) 60 days (B) 50 days(C) 120 days (D) 30 days



Q.3. Reeta, Geeta and Sangeeta can do a work in 12 hours, 15 hours and 20hours respectively. In how many hours will they finish the work together?

(A) 9 hours (B) 10 hours(C) 8 hours (D) 5 hours



Q.4. A and B, B and C, C and A can finish a piece of work in 12 days, 15 days and 2 0 daysrespectively.

i. In how many days will they finish the work together/

ii. In how many days A alone finish the work/iii. In how many days B alone finish the work/iv. In how many days C alone finish the work/v. In how many days will they finish 40% of the work together/ 40%



Q.5. A and B can do a piece of work in 𝟖𝟏

𝟑day and 𝟏𝟐

𝟏

𝟐day

respectively. In how many days together they can finish the work.

A 𝟖𝟏

𝟑B 𝟏𝟐

𝟏

𝟐




6. A and B can do a piece of work in 8 days, B + C can do the same work in 24

days while C + A can do the same work in 𝟖𝟒

𝟕days. In how many days C alone

can finish the work.A और B 8 दिनों में एक काम कर सकते हैं, B + C वही काम 24 दिनों में करसकते हैं जबकक C + A वही काम 𝟖

𝟒

𝟕दिनों में कर सकते हैं। C अकेले ककतने दिनों

में काम पूरा कर सकता है।(A) 60 days (B) 40 days(C) 30 days (D) 10 days



Q.7. A can do𝟏

𝟐of a piece of work in 5 days, B can do

𝟑

𝟓of the same work in 9

days and C can do of𝟑

𝟓that work in 8 days. In how many days can three of them

together do the work?

A𝟏

𝟐B

𝟑

𝟓

C𝟑

𝟓

(A) 3 days (B) 5 days

(C) 𝟒𝟏

𝟐days (D) 4 days



Q.8. Ram can complete 1/3 of a work in 10 days Shyam can complete 1/5 of thesame work in 20 days and Sonal can complete 1/4 of the same work in 5 days. Ifthey work together then how much percent work will complete.

1/3 1/51/4

(A) 30% (B) 31%(C) 41% (D) 21%



Q.9. Working 5 hours a day, A can complete a piece of work in 8 days andworking 6 hours a day, B can complete the same work in 10 days. Working 8 hursa day, they both can complete the work inA B

(A) 3 days (B) 4 days(C) 4.5 days (D) 5.4 days



Q.10. A and B can do a piece of work in 10 days and 15 days respectively. Theystart the work together but after 4 days A left the work. In how many days B willfinish the remaining work and in how many days the total work would be finish.A B

A B

(A) 4 days, 8 days (B) 5 days, 9 days(C) 3 days, 4 days (D) None of these



Q.11. A and B can separately make a wall in 10 days and 15 days respectively,after how many days will B leave the work that the wall would be finished intotal 8 days?A B B




Q.12. A and B can finish a piece of work in 12 days and 15 days respectively.Together they started a piece of work and after some days B left the job. Afterhow many days was B left the job if A finished the remaining work in 3 days?A B

B B




Q.13. A and B can do a piece of work in 45 days and 40 days respectively. Theybegan the work together but A left after some time and B completed theremaining work in 23 days. After how many days of work did A leave?A B

A BA




Q.14. A, B and C can do a piece of work in 18 days, 24 days and 36 days respec tively. Theystart the work together. But after 5 days A left the work after 3 days of leaving of A, C also leftthe work and the remaining work is completed by B. In how many days the total work wouldbe finish.A, B B

A, A, CB




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