343
Q:

12 men can complete a work in 8 days. 16 women can complete the same work in 12 days. 8 men and 8 women started working  and worked for 6 days. How many more men are to be added to complete the remaining work in 1 day?

A) 8 B) 12
C) 16 D) 24

Answer:   B) 12



Explanation:

1 man's 1 day work =1/96 ; 1 woman's 1 day work = 1/192

Work done in 6 days=6896+8192=6×18 =34 

Remaining work = 1/4

(8 men +8 women)'s 1 day work = 1896+8192 =1/8

Remaining work =1/4 -  1/8 = 1/8

 

 1/96 work is done in 1 day by 1 man

 

Therefore, 1/8 work will be done in 1 day by 96 x (1/8) =12 men

Q:

Amit and Sunil together can complete a work in 9 days, Sunil and Dinesh together can complete the same work in 12 days, and Amit and Dinesh together can complete the same work in 18 days. In how many days will they complete the work if Amit, Sunil and Dinesh work together?

 

A) 12 days B) 8 days
C) 14 days D) 16 days
 
Answer & Explanation Answer: B) 8 days

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13 1680
Q:

X can complete a work in 27 days and Y can do the same work in half of the time taken by X. Working together what part of the same work can they complete in a day?

 

A) 1/9 B) 1/6
C) 1/12 D) 2/27
 
Answer & Explanation Answer: A) 1/9

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12 1213
Q:

A, B and C can individually complete a task in 20 days, 16 days and 30 days, respectively. If A and B started working on the task, and they worked for 4 days and left, then the number of days required by C to finish the remaining task is:

 

A) 16.5 days B) 13 days
C) 10 days D) 12.5 days
 
Answer & Explanation Answer: A) 16.5 days

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8 1039
Q:

A can do a piece of work in 6 days. B can do it in 9 days. With the assistance of C they completed the work in 3 days. In how many days can C alone do the work ?

 

A) 18 B) 8
C) 12 D) 16
 
Answer & Explanation Answer: A) 18

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6 947
Q:

X and Y can complete a work in 5 days. Y and Z can complete the same work in 6 days. Z and X can complete the same work in 15/2 days. In how many days will X, Y and Z together complete the work?

 

A) 2   B) 4  
C) 3   D) 2/5
 
Answer & Explanation Answer: B) 4  

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6 993
Q:

Ram and Shyam can complete a task in623 days and 15 days, respectively. They work together for 4 days, and then Ram leaves. In how many days after Ram leaves, will Shyam complete the remaining task alone?

 

A) 112days B) 3 days
C) 4 days D) 2 days
 
Answer & Explanation Answer: D) 2 days

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4 1299
Q:

X and Y can do a piece of work in 10 days, Y and Z in 12 days and Z and X in 15 days. In how many days can Z alone do the work?

 

A) 40 B) 24
C) 18 D) 36
 
Answer & Explanation Answer: A) 40

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2 1096
Q:

A and B can complete a piece of work together in 20 days. They start work together but A had to leave 5 days before the work finally got over. If B finishes the remaining in 18 days, then how long will A take to complete the work separately.

 

A) 100 days B) 120 days
C) 72 days D) 64 days
 
Answer & Explanation Answer: D) 64 days

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6 1399