Quantitative Aptitude 21

Quantitative Aptitude – Test-41

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1. A and B together can complete a piece o fwork in 35 days while A alone can complete the same work in 60 days. B alone will be able to complete the same work in :

 
 
 
 

2. A and B can together finish a work in 30 days. They worked at it for 20 days and then B left. The remaining work was done by A alone in 20 more days. A alone can finish the work in :

 
 
 
 

3. A can do a piece of work in 30 days while B alone can do it in 40 days. In how many days can A and B working together do it ?

 
 
 
 

4. A and B can do a piece of work in 45 days and 40 days respectively. They began to do the work together but A leaves after some days and then B completed the remaining work in 23 days. The number of days after which A left the work was :

 
 
 
 

5. A can do a piece of work in 7 days of 9 hours each and B can do it in 6 days of 7 hours each. How long will they take to do it, working together 8(2 / 5) hours a day ?

 
 
 
 

6. A can do 1 / 3 of the work in 5 days and then leaves. A alone can finish the remaining work in :

 
 
 
 

7. A can do a piece of work in 15 days and B alone can do i tin 10 days. B works as it for 5 days and then leaves. A alone can finish the remaining work in :

 
 
 
 

8. A wheel rotates 10 times every minute and moves 20 cm during each rotation. How many cms does the wheel move in 1 hour ?

 
 
 
 

9. A does half as much work as B in three-fourth of the time. If together they take 18 days to complete the work, how much time shall B take to do it ?

 
 
 
 

10. A can do a piece of work in 80 days. He works as it for 10 days and then B alone finishes the remaining work in 42 days. The two together could complete the work in :

 
 
 
 

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