Mathematics Question For Railway Group D,RPF, Rajasthan SI 24-09-2018

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Question(1) Pawan alone completes one work in 30 hours and in 15 hours with Pankaj. So Pankaj alone can do that work?

पवन अकेले एक काम को 30 घण्टे में तथा पंकज के साथ मिलकर 15 घण्टे में पूरा कर लेता है | तो अकेला पंकज उस काम को कर सकता है?

(A)19

(B)38

(C)30

(D)34

Question(2) Ramesh can do 1/3 of one work in a day. So how long will he complete 1/2 work?

रमेश एक दिन में एक काम का 1/3 भाग कर सकता है | तो वह 1/2 काम को कितने दिनों में पूरा कर लेगा ?

(A) 2/4

(B) 5/3

(C) 7/5

(D) 3/2

Question(3) If 4 men and 6 boys finish any work in 4 days while 2 men and 4 boys can do the same work in 7 days. Find out how many days 10 men and 8 boys will do that work?

यदि 4 आदमी और 6 लड़के किसी काम को 4 दिन में समाप्त करते है जबकि उसी काम को 2 आदमी और 4 लडके 7 दिन में कर सकते है | ज्ञात कीजिए कि 10 आदमी और 8 लडके उस काम को कितने दिनों में करेगे ?

(A)2

(B)7

(C)5

(D)6

Question(4) Ram does some work faster than Raju. If both of them work together in 12 days, how many days will Raju alone complete that work?

राम किसी काम को राजु से दुगुनी तेजी से करता है | यदि दोनों मिलकर काम को 12 दिन में समाप्त करते है तो राजु अकेला उस काम को कितने दिनो में पूरा करेगा ?

(A)64

(B)36

(C)45

(D)34

Question(5) Ayush can do any work in 60 days. If it works for 15 days and Ajay alone has completed the remaining work in 30 days. Can both work together in the following time?

आयुष किसी कार्य को 60 दिन में कर सकता है | यदि 15 दिन कार्य करता है और फिर अजय अकेले ने शेष कार्य को 30 दिन में पूरा किया | दोनों मिलकर कार्य को निम्न समय में पूरा कर सकते है ?

(A)25

(B)24

(C)67

(D)24

All Solutions (1-5):

Que(1).Ans-(C)

Que(2).Ans-(D)

Que(3).Ans-(A)

Que(4).Ans-(B)

Que(5).Ans-(D)

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