Mathematics Question For Railway Group D,RPF, Rajasthan SI 28-09-2018

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Question(1) A and B can do a work in 10 days, B and C and A can do it in 20 days. C alone will do that work in the following time?

 A और B एक काम को 10 दिन मे कर सकते है B और C और A इसे 20 दिन में कर सकते है| C अकेला उस काम को निम्न समय मे पूरा करेगा ?

(A) 110

(B)120

(C)126

(D) 114

Question(2) If Harsh and Ayush alone spend any work in 16 days and 24 days respectively, how many days will they end together in that work?

 यदि हर्ष तथा आयुष अकेला किसी काम को क्रमशः 16 दिनों तथा 24 दिनों मे समाप्त करते है तो दोनो मिलकर उस काम को कितने दिनों में समाप्त करेगे?

(A) 48/5

(B) 28/1

(C) 46/4

(D) 28/5

Question(3) A can complete a work in 2 days and B in 3 days. With the help of C, they met and completed it in 1 day. How long will C alone take that task?

 A किसी कार्य को 2 दिन में तथा B, 3 दिन में पूरा कर सकता है | C की सहयता से उन्होने मिलकर उसे 1 दिन में पूरा कर लिया | C अकेला उस कार्य को कर्ने में कितना समय लेगा?

(A)9

(B)4

(C)8

(D) 6

Question(4) A and B can accomplish any task within 15 days. A is 50% more skilled workman than B. How long will A alone take to accomplish that task?

A तथा B मिलकर किसी कार्य को 15 दिन में पूरा कर सकते है B की तुलना में A 50% अधिक कार्य कुशल कारीगर है | अकेले A को उस कार्य को पूरा करने में कितना समय लगेगा ?

(A)21

(B)45

(C)25

(D)29

Question(5) 5 hours a day, A can do any work within 8 days and 6 hours per day. B can complete the same work in 10 days. By working 8 hours a day, how much time will they meet in a day?

 5 घण्टे प्रतिदिन काम करके A किसी कार्य को 8 दिन मे तथा 6 घण्टॅ प्रतिदिन काम करके B उसी कार्य को 10 दिन में पूरा कर सकता है | 8 घण्टे प्रतिदिन काम करके वे दिनों मिलकर उसे कितने समय में पूरा करेंगे ?

(A) 3

(B)7

(C)9

(D)11

All Solutions (1-5):

Que(1).Ans-(B)

Que(2).Ans-(A)

Que(3).Ans-(D)

Que(4).Ans-(C)

Que(5).Ans-(A)

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