Page 57 - sscbbb
P. 57
Bकोएककामणऩयूाकयनेके भरएAकीतरु नाभें10घटॊोकाअधधकसभमरगताहै,मदद
िे दोनों अरग-अरग कामण कयते है। एकसाथ कामण कयने ऩय िह 12 घटॊ ो भें कामण ऩयू ा कय
सकते है। Bउस कामण को 50% ऩयू ा कयने के भरए ककतने घॊटो का सभम रेगा?
20 February 2018 SSC MAINS
[A] 30 [B] 15 [C] 20 [D] 10
60. A can do a work in 21 days and B in 42 days. If they work on it together for 7
days, then what fraction of work is left?
Aएककामणको21ददनोंभेंऩयू ाकयसकताहैतथाB,42ददनोंभेंऩयू ाकयसकताहै।मददिेइसकामण
को भभरकय 7 ददन के भरए कामण कयते हैं, तो कामण का ककतना दहस्सा फचेगा?
21 February 2018 SSC MAINS
[A] 1/3 [B] 1/4 [C] 2/3 [D] 1/2
61. A can paint a house in 55 days and B can do it in 66 days. Along with C, they did the job in 12 days only. Then, C alone can do the job in how many days?
Aएकघयको55ददनोंभेंऩेंटकयसकताहैतथाBइसकामणको66ददनोंभेंऩयू ाकयसकताहै।Cके साथभभरकयिेइसकामणकोकेिर12ददनोंभेंऩयू ाकयसकतेहैं।Cअकेराएककामणकोककतनेददनों
भें ऩयू ा कय सकता है? 21 February 2018 SSC MAINS
[A] 24 [B] 44 [C] 33 [D] 20
62. A, B and C together can finish a task in 12 days. A is twice as productive as B and C alone can do the task in 36 days. In how many days can A and B do the task if C goes on leave?
A,BऔयCभभरकयएककामणको12ददनोंभेंऩयूाकासकताहै।Aकीकाम-णऺभताBकीकामऺण भता
सेदगु नु ीहैतथाCअकेराइसकामणको36ददनोंभेंऩयू ाकयसकताहै।मददC,छुट्टीऩयचराजाताहैतो
AऔयBभभरकयइसकामणकोककतनेददनोंभेंऩयू ाकयसकतेहैं?
21 February 2018 SSC MAINS
[A] 10 [B] 20 [C] 15 [D] 18
63. A, B and C can together do a job in 9 days. C alone can do the job in 36 days. In how many days can A and B do 50% of the job working together?
A,BऔयCभभरकयएककामणको9ददनोंभेंऩयू ाकयसकतेहैं।Cअकेराइसकामणको36ददनोंभेंऩयू ा कयसकताहै।AऔयBएकसाथकामणकयतेहुएइसकामणका50%बागककतनेददनोंभेंऩयू ाकयसकते
हैं?
[A] 6 [B] 12
21 February 2018 SSC MAINS
[C] 9 [D] 15
64. A can do a work in 72 days and B in 90 days. If they work on it together for 10 days, then what fraction of work is left?
65