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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:

If 100 cat kill 100 .mice in 100 days, then 4 cats would kill 4 mice in how many days?

A) 4 days B) 3 days
C) 40 days D) 100 days
 
Answer & Explanation Answer: D) 100 days

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0 176
Q:

Four men and 6 women can complete a certain piece of work in 5 days whereas three men and 4 women can complete it in 7 days.How many men should assist 25 women to complete 2.5 times the same work in 5 days?

 

A) 8 B) 10
C) 4 D) 5
 
Answer & Explanation Answer: D) 5

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3 446
Q:

Prasid and Deep separately can do a certain work in 32 and 24 days respectively. They decided to do the work together and Niloy also joined them. If all of them together can complete the same work in 8 days, then how long does Niloy take to do the work alone?

 

A) 925days B) 965days
C) 945days D) 895days
 
Answer & Explanation Answer: B) 965days

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3 333
Q:

Ten men or twelve women can finish the same working 10 days. If 5 men and 2 women undertake the work together, how many days will they take to complete the work?

 

A) 15   B) 40  
C) 20   D) 60  
 
Answer & Explanation Answer: A) 15  

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5 351
Q:

To complete a certain task, X is 40 % more efficient than Y, and Z is 40% less efficient than Y. Working together, they can complete the task in 21 days. Y and Z together worked for 35 days. The remaining work will be completed by X alone in:

 

A) 8 days B) 4 days
C) 6 days D) 5 days
 
Answer & Explanation Answer: D) 5 days

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2 408
Q:

Sixteen men can finish a work in 8 days. Eight men and nine women working together can finish the same work in 10 days. In how many days will twenty women finish the same work?

 

A) 9 B) 12
C) 11 D) 13
 
Answer & Explanation Answer: B) 12

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1 364
Q:

A contract is to be completed in 75 days and 187 men are to work 15 hours per day. After 65 days, 3/5 of the work is completed. How many additional men may be employed, so that the work may be completed in time, each man now working 17 hours per day?

 

A) 532 B) 495
C) 308 D) 514
 
Answer & Explanation Answer: C) 308

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0 352
Q:

4 boys visit a garden after every 3, 5, 2 and 6 days, respectively. How many times in a year will they visit the garden on the same day? Consider counting is done from the start of the year.

 

A) 11 B) 14
C) 13 D) 12
 
Answer & Explanation Answer: D) 12

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0 333