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Time and Work Problem Quantitative Aptitude Question Answers

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Time and Work Problem comes under Quantitative Aptitude Question Answers: This mock test having 15 question, with four choices. On each click on answers system will tell you where the answers is correct or incorrect. You can view this Time and Work test question details at the end of the quiz.

Time and Work Problem Test – Quantitative Aptitude 

This Time and Work questions answers are applicable for any kind of entrance exam or job related exam especially for CAT, bank exams, MBA, SBI  practice as much as you can so gather knowledge of how to answers Time and Work critical in short time and this can be a big factor for cracking any exam.

Time and Work

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Question 1
Sweta can complete a piece of work in 8 hours and Priyanka can complete the same piece of work in 4 hours. How much time will both of them take together (approximately) to complete the same piece of work?
A
2 hours
B
3 hours
C
5 hours
D
4 hours
E
8 hours
Question 2
X and Y can make a machine in 12 days and Y alone can make it in 48 days. X alone can make the machine in
A
40 days
B
32 days
C
24 days
D
16 days
E
None of These
Question 3
A can do a piece of work in 10 days and B in 20 days. They work together but 2 days before the completion of the work, A leaves. In how many days was the work completed?
A
6
B
10
C
9
D
8
E
None of these
Question 4
A and B can do a work in 40 and 25 days respectively. They began the work together, but A left after some time and B finished the remaining work in 12 days. After how many days did A leave?
A
6 days
B
8 days
C
10 days
D
12 days
E
15 days
Question 4 Explanation: 
Let A leaves after T days. Then A works for T days and B for (T + 12) days T/40 + ((T+12))/25 = 1 (5T+8T+96)/200 =1 13T + 96 = 200 T= 104/13 =
Question 5
A can do a piece of work in 36 days, B in 54 days and C in 72 days. All the three began the work together but A left 8 days and B 12 days before the completion of the work. How many days in all did C put in till the entire work was finished?
A
24 days
B
28 days
C
20 days
D
32 days
E
None of These
Question 6
A can do a piece of work in 30 days, B and C together can do the same work in 20 days. A and B worked together and completed  of the work in 12 days. How many days will be required by C to complete the remaining work?
A
13 days
B
11 days
C
12 days
D
10 days
E
None of These
Question 7
A can do a piece of work in 15 days and B in 20 days. How much time will they take to complete the work on alternate days, starting with A?
A
16
B
18
C
17
D
19
E
None of these
Question 8
Seven girls can do a piece of work in 13 days, six boys can do the same piece of work in 12 days, nine men can do the same piece of work in nine days and six women can do the same piece of work in 14 days. Who are the most efficient?  
A
Boys
B
Girls
C
Women
D
Men
E
Both men and Women
Question 8 Explanation: 
7 girls can do the work in 13 days, so 1 girl can do the work in 7 × 13 = 91 days Similarly A boy can do the work in 6 × 12 = 72 days, A man can do the work in 9 × 9 = 81 days A woman can do the work in 6 × 14 = 84 days Since the boy is taking the least number of days, the boys group is most efficient.
Question 9
7 men can complete a piece of work in 12 days. How many additional men will be required to complete double the work in 8 days?
A
28
B
21
C
14
D
7
E
None of these
Question 10
15 men take 21 days of 8 hours each to do a piece of work. How many days of 6 hours each would 21 women take, if 3 women do as much work as 2 men?
A
18
B
20
C
25
D
30
E
None of These
Question 11
25 men can do a piece of work in 24 days. How many men would be required to do the same work in 10 days?
A
56
B
60
C
64
D
66
E
72
Question 11 Explanation: 
P1 = 25 D1 = 24 P2 = ? D2 = 10 P1D1 = P2D2 25 × 24 = P2× 10 P2 = (25 ×24)/10 = 60
Question 12
A job can be completed by 12 men in 12 days. How many extra days will be needed to complete the job in 6 men leave after working for 6 days?
A
3
B
6
C
12
D
24
E
None of These
Question 13
A builder decided to build a house in 50 days. He employed 150 men at the beginning and another 80 men after 20 days and completed the work in stipulated time. If he had not employed the additional men, how many days behind schedule would it have been finished?
A
10 days
B
12 days
C
15 days
D
16 days
E
18 days
Question 14
If one man or three women or five boys can do a piece of work in 46 days then how many days will one man, one woman and one boy together take to complete the same piece of work?
A
30 days
B
32 days
C
35 days
D
40 days
E
None of These
Question 15
8 men can complete a piece of work in 20 days. 8 women can complete the same piece of work in 32 days. In how many days will 5 men and 8 women together complete the same work?
A
16 days
B
12 days
C
14 days
D
10 days
E
None of These
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Reasoning and Aptitude Test - Question Answers


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