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45. A, B and C can do a job working alone in 50, 75 and 20 days respectively. They all work together for 4 days, then C quits. How many days will A and B take to finish the rest of the job?
A, B औय C अके रे ककसी कामण को क्रभश: 50, 75 औय 20 ददनों भें कय सकते हैं। िे सबी एकसाथ 4 ददनके भरएकामणकयतेहै,कपयCकामणछो देताहै।शेषकामणAऔयBद्िायाककतनेसभमभेंऩयू ा
ककमा जामेगा? 17 February 2018 SSC MAINS
[A] 20 [B] 30 [C] 18 [D] 24
46. A can do 50% of the job in 16 days, B can do 1/4th of the job in 24 days. In how many days can they do 3/4th of the job working together?
A एक कामण का 50%, 16 ददनों भें कय सकता है, B उसी कामण का 1⁄4 िाॊ बाग 24 ददनों भें कय सकता है। एकसाथ कामण कयते हुए िे कामण के 3⁄4 िें बाग को ककतने ददनों भें ऩयू ा कयेंगे?
17 February 2018 SSC MAINS
[A] 24 [B] 9 [C] 2 1 [D] 18
47. A and B can together complete a task in 18 hours. After 6 hours A leaves. B takes 36 hours to finish rest of the task. How many hours would A have taken to do the task if he worked alone?
AऔयBककसीकामणको18घटॊ ोंभेंऩयू ाकयसकतेहैं।6घटॊ ेफादAकामणछो देताहै।Bशेषकामणको ऩयू ाकयनेके भरए36घॊटोंकासभमरेताहै।मददAअकेराकामणकयताहैतोउसेकामणकोकयनेभें
ककतने घॊटों का सभम रगेगा?
[A] 54 [B] 45
[A] 2/3 [B] 1/3
49. A can paint a house in 45 days and B can do it in 15 days. Along with C, they did the job in 5 days only. Then, C alone can do the job in how many days?
A एक घय को 45 ददनों भें यॊग सकता है औय B उसे 15 ददनों भें यॊग सकता है। C के साथ, िे कामण को केिर 5ददन भें कय सकते है। तो,Cउस कामण को ककतने ददन भें ऩयू ा कय सकता
है? 18 February 2018 SSC MAINS
[A] 12 [B] 9 [C] 15 [D] 8
50. A,B and C together can finish a task in 7.5 days. C is thrice as productive as A and B alone can do the task in 15 days. In how many days can A and C do the job if B goes on leave?
17 February 2018 SSC MAINS
[C] 21 [D] 27
18 February 2018 SSC MAINS
48. A can do a work in 36 days and B in 12 days. If they work on it together for 3 days, then what fraction of work is left?
Aएक कामण को 36ददनों भें औय Bको 12ददनों भें कय सकते हैं। मदद िे 3ददनों के भरए एक
साथ कामण कयते है, तो कामण का ककतना बाग शेष है?
[C] 1⁄4 [D] 1/5
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