TIME AND WORK QUESTIONS FOR SSC GD RPF EXAM 2018 TIME AND WORK PDF HINDI 2018

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FOR PDF SUCCESS KEY98 : www.successkey98.in MOCK TEST : www.successkey98.org TELEGRAM : https://bit.ly/2pbwlc9 TIME AND WORK QUESTIONS FOR SSC GD RPF EXAM 2018 TIME AND WORK PDF HINDI 2018 Q1. 12 men can complete a work in 90 days. 30 days after they started work, 2 men left and 8 men joined. How many days will it take to complete the remaining work? 12 प ǽष क क म क 90 Ǒदनɉ मɅ कर सकत हɇ. उनक क म श Ǿ करन क 30 Ǒदनɉ ब द 2 प ǽष चल ज त हɇ और 8 आदम श मल ह त हɇ. श ष क म क प र करन मɅ कतन Ǒदन लगɅग (a) 90 days (b) 60 days (c) 40 days (d) 50 days Q2. A can do a piece of work in 20 days and B in 15 days. With help of C, they finish the work in 5 days. In how many days C alone can do the same work? एक एक क म क 20 Ǒदनɉ मɅ और B 15 Ǒदनɉ मɅ कर सकत हɇ. C कȧ मदद क स थ व क म 5 Ǒदनɉ मɅ करत हɇ. सम न क म क C अक ल कतन Ǒदनɉ मɅ कर सकत ह? (a) 5 days (b) 6 days (c) 10 days (d) 12 days Q3. Shashi can do a piece of work in 20 days. Tanya is 25% more efficient than Shashi. The number of days taken by Tanya to do the same piece of work is: श श एक क म क 20 Ǒदनɉ मɅ कर सकत हɇ. त Ûय श श स 25% अ धक क शल ह. सम न क म क करन क लए त Ûय कतन Ǒदन ल त ह?

(a) 15 (b) 25 (c) 18 (d) 16 Q4. 18 men or 36 boys working 6 hours a day can plough a field in 24 days. In how many days will 24 men and 24 boys working 9 hours a day plough the same field? 18 आदम य 36 लड़क एक Ǒदन मɅ 6 घ ट क म करक एक ख त क 24 Ǒदनɉ मɅ ज त सकत हɇ. सम न ख त क ज तन क लए एक Ǒदन मɅ 9 घ ट क म करक 24 आदम और 24 लड़क कतन Ǒदन लɅग? (a) 9 (b) 10 (c) 6 (d) 8 Q5. A can do 1/3rd of a work in 5 days and B can do 2/5th of this work in 10 days. Both A and B, together can do the work in A, 1/3 क म क 5 Ǒदनɉ मɅ और B, इस क म क 2/5 क 10 Ǒदनɉ मɅ कर सकत ह. A और B द नɉ एक स थ क म क कतन Ǒदन ख़ म कर सकत हɇ? (a) 7(3/8) days (b) 8(4/5) days (c) 9(3/8) days (d) 10 days Q6. A and B undertake a piece of work for Rs. 250. A alone can do that work in 5 days and B alone can do that work in 15 days. With the help of C, they finish the work in 3 days. If every one gets paid in proportion to work done by them, the amount C will get is A और B एक क म क लए 250 ǽ ल त हɇ. A अक ल उस क म क 5 Ǒदनɉ मɅ कर सकत ह और B अक ल उस क म क 15 Ǒदनɉ मɅ कर सकत ह. C कȧ मदद क स थ व क म क 3 Ǒदनɉ मɅ ख़ म कर द त हɇ. यǑद Ĥ य क क उनक ɮव र कय गए क म क सम न प त मɅ भ गत न ह त ह त C क मलन व लȣ र श ह ग? (a) Rs. 50 (b) Rs. 100 (c) Rs. 150 (d) Rs. 200 Q7. A is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the work is A, B कȧ त लन मɅ द ग न द ह और एक स थ व एक क म क 16 Ǒदनɉ मɅ कर द त हɇ. A ɮव र अक ल क म क ख़ म करन क लए कतन Ǒदन ल त ह? (a) 20 days (b) 21 days (c) 22 days (d) 24 days

Q8. The rate of working of A and B are in the ratio of 2 : 3. The number of days taken by them to finish the work is in the ratio: A और B क क म कȧ दर क अन प त 2 : 3 ह. उनक ɮव र क म कतन Ǒदन मɅ ख़ म ह ज य ग अन प त मɅ बत ए? (a) 2 : 3 (b) 4 : 9 (c) 3 : 2 (d) 9 : 4 Q9. A, B and C contract a work for Rs. 440. Together A and B do 9/11 of the work. The share of C should be; A, B और C एक क म क ठ क 440 ǽ मɅ ल त हɇ. A और B एक स थ 9/11 क म करत हɇ. C क Ǒहèस Èय ह न च Ǒहए? (a) 75 (b) 90 (c) 100 (d) 80 Q10. A and B can together do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is A और B, 6 Ǒदनɉ मɅ क म कर सकत हɇ और A अक ल कम क 9 Ǒदनɉ मɅ कर सकत ह. B अक ल उस क म क करन क लए कतन Ǒदन ल ग? (a) 18 days (b) 24 days (c) 9 days (d) 12 days Q11. A can do a piece of work in 18 days. He worked at it for 12 days and B finished the remaining work in 8 days. B alone can do the whole work in A क म क 18 Ǒदनɉ मɅ कर सकत ह. वह उस पर 12 Ǒदनɉ तक क म करत ह और B श ष क म क 8 Ǒदनɉ मɅ ख़ म करत ह. B अक ल प र क म क कतन Ǒदन मɅ ख़ म कर सकत ह? (a) 16 days (b) 24 days (c) 35 days (d) 28 days Q12. A can do a work in 12 days while B can do it in 15 days. They undertake to complete it together for Rs. 450. what will be the share of A in this amount of money? A एक क म क 12 Ǒदनɉ मɅ कर सकत ह जब क B उस 15 Ǒदनɉ मɅ कर सकत ह. व इस एक स थ प र करन क लए 450 ǽ ल त हɇ. इस र श मɅ A क Ǒहèस Èय ह ग? (a) Rs. 200 (b) Rs. 240 (c) Rs. 250 (d) Rs. 300

Q13. A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days A and C together will do it in: A और B एक क म क 8 Ǒदन कर सकत हɇ, B और C सम न क म क 12 Ǒदनɉ मɅ कर सकत हɇ. A, B और C एक स थ उस 6 Ǒदनɉ मɅ ख़ म कर सकत हɇ त A और C एक स थ उस ख़ म करɅग : (a) 4 days (b) 6 days (c) 8 days (d) 12 days Q14. A can do a certain job in 12 days. B is 60% more efficient than A. Then B can do the same piece of work in A एक Ǔन æचत क म क 12 Ǒदनɉ मɅ कर सकत ह. B,A स is 60% अ धक क शल ह. सम न क म क करन मɅ B कतन Ǒदन ल त ह? (a) 8 days (b) 7(1/2) days (c) 6(1/4) days (d) 6 days Q15. A man can do a piece of work in 30 hours. If he works with his son then the same piece of work is finished in 20 hours. If the son works alone then he can do the work in: एक आदम एक क म क 30 घ टɉ मɅ कर सकत ह. यǑद वह अपन ब ट क स थ क म करत ह त सम न क म क 20 घ टɉ मɅ ख़ म करत ह. यǑद ब ट अक ल क म करत ह त वह कतन Ǒदन मɅ क म कर सकत ह? (a) 60 hours (b) 50 hours (c) 25 hours (d) 10 hours S1. Ans.(a) Efficiency of 12 Men = 1/90 Work completed in 30 days = 30/90 = 1/3 Remaining work = 1 1/3 = 2/3 12 90=(18 Days)/(2/3) 12 90=(18 3)/2 Days Days = 40 days S2. Ans.(d)

Let the efficiency of C be x work gets finished in 5 days. 3 5 + 4 5 + x 5 = 60 15 + 20 + 5x = 60 x = 5 Efficiency of C = 5 Time taken by C to complete the full work = 60/5 = 12 days S3. Ans.(d) Tanya = 125/100 Shashi Tanya : Shashi = 5 : 4 Efficiency Ratio of tanya : Shashi 5 : 4 Time taken Ratio of tanya : Shashi (Time 1/Efficiency) 4 : 5 5r 20 days 1r 4 days 4r 16 days Tanya will do the same work 16 days S4. Ans.(d) 18 Men 36 Boys 1 Men 2 Boys 24 men + 24 Boys 48 Boys + 24 Boys 72 Boys

ATQ, 36B 6 24 = 72B 9h Days Days = 8 days S5. Ans.(c) A 1/3 work 5 days Full work 15 days B 2/5 work 10 days Full work 25 days A + B will complete the work in 75/8 days 9 3/8 days S6. Ans.(a) Let efficiency of C be x 3 3 + 1 3 + x 3 = 15 9 + 3 + x 3 = 15 x = 1 Work done by A in 3 days = 9 Work done by B in 3 days = 3 Work done by C in 3 days = 3 Ratio of work done 9 : 3 : 3 3 : 1 : 1 Amount will C get = 250 1/5 = 50 Rs.

S7. Ans.(d) A = 2B A : B = 2 : 1 Time taken by A : B = 1 : 2 Let A takes x days B takes 2x days ATQ, 1/x+1/2x=1/16 (2+1)/2x=1/16 x = 24 days A takes 24 days S8. Ans.(c) Efficiency of A : B = 2 : 3 Ratio of Number of Days taken by A & B to finish the work = 3 2 (Efficiency 1/Time) S9. Ans.(d) A + B + C = Rs. 440 A + B = 9/11 Remaining work = 1 9/11 = 2/11 A + B : C = 9/11 : 2/11 = 9 : 2 Share of C =440 2/11

= 80 Rs. S10. Ans.(a) Efficiency of, A + B = 3 A = 2 Efficiency of, B = 1 B will take = 18/1 = 18 days S11. Ans.(b) Efficiency of A = 1/18 Work done by A in 12 days = 12/18 = 2/3 Remaining work = 1 2/3 = 1/3 1/3 work done by B 8 days Whole work done by B in = 24 days S12. Ans.(c) Time taken = 60/9 Work done Ratio of A & B 5 60/9 4 60/9 5 : 4 Share of A = 450 5/9 = 250 Rs. S13. Ans.(c)

A + B + C = 4 A + 2 = 4 A = 2 (Efficiency) A + B + C = 4 3 + C = 4 C = 1 (Efficiency) Efficiency of A + C = 2 + 1 = 3 A + C will take time = 24/3 = 8 days S14. Ans.(b) B = 160/100 A A : B = 5 : 8 (Efficiency) Efficiency 1/Time Time taken Ratio of A : B = 8 : 5 8 ratio 12 days 1 ratio 12/8 days 5 ratio 60/8 days Time taken by B = 60/8 = 71/2 days S15. Ans.(b) Men + Son = 3

2 + Son = 3 Son s efficiency = 3 2 = 1 FOR PDF : www.successkey98.in MOCK TEST : www.successkey98.org TELEGRAM : https://bit.ly/2pbwlc9 SUCCESS KEY98