R4RIN – MCQs, Mock Tests | Aptitude Aptitude Questions Time and Work Set 1

A and B complete a work in 6 days. A alone can do it in 10 days. If both together can do the work in how many days?

1. 3.75 days
2. 4 days
3. 5 days
4. 6 days

✅ Correct Answer: 1

A and B together can do a piece of work in 8 days. If A alone can do the same work in 12 days, then B alone can do the same work in?

1. 20 days
2. 16 days
3. 24 days
4. 28 days

✅ Correct Answer: 3

A can do a piece of work in 4 days. B can do it in 5 days. With the assistance of C they completed the work in 2 days. Find in how many days can C alone do it?

1. 10 days
2. 20 days
3. 5 days
4. 4 days

✅ Correct Answer: 2

A and B can do a piece of work in 6 2/3 days and 5 days respectively. They work together for 2 days and then A leaves. In how many days after that B will complete the work alone.

1. 2 days
2. 1 ½ days
3. 3 days
4. 3 ½ days

✅ Correct Answer: 2

A can do a piece of work in 30 days. He works at it for 5 days and then B finishes it in 20 days. In what time can A and B together it?

1. 16 2/3 days
2. 13 1/3 days
3. 17 1/3 days
4. 16 1/2 days

✅ Correct Answer: 2

A and B can do a piece of work in 12 days and 16 days respectively. Both work for 3 days and then A goes away. Find how long will B take to complete the remaining work?

1. 15 days
2. 12 days
3. 10 days
4. 9 days

✅ Correct Answer: 4

. A and B can do a piece of work in 3 days, B and C in 4 days, C and A in 6 days. How long will C take to do it?

1. 18 days
2. 20 days
3. 24 days
4. 30 days

✅ Correct Answer: 3

A can do a piece of work in 10 days. He works at it for 4 days and then B finishes it in 9 days. In how many days can A and B together finish the work?

1. 6 days
2. 8 days
3. 8 ½ days
4. 7 ½ days

✅ Correct Answer: 1

A can do a piece of work in 40 days; B can do the same in 30 days. A started alone but left the work after 10 days, then B worked at it for 10 days. C finished the remaining work in 10 days. C alone can do the whole work in?

1. 24 days
2. 30 days
3. 44 days
4. 17 1/2 days

✅ Correct Answer: 1

A work which could be finished in 9 days was finished 3 days earlier after 10 more men joined. The number of men employed was?

1. 18
2. 20
3. 22
4. 24

✅ Correct Answer: 2

A and B can do a piece of work in 7 days. With the help of C they finish the work in 5 days. C alone can do that piece of work in?

1. 1 days
2. 10 days
3. 30 days
4. 32 days

✅ Correct Answer: 3

Ravi can do a piece of work in 30 days while Prakash can do it in 40 days. In how many days will they finish it together?

1. 17 1/7 days
2. 27 1/7 days
3. 23 2/7 days
4. 16 4/11 days

✅ Correct Answer: 1

Anil can do a work in 15 days while Sunil can do it in 25 days. How long will they take if both work together?

1. 3 4/9 days
2. 8 4/9 days
3. 9 3/8 days
4. 6 3/8 days

✅ Correct Answer: 3

Anil can do a work in 15 days while Sunil can do it in 25 days. How long will they take if both work together?

1. 3 4/9 days
2. 8 4/9 days
3. 9 3/8 days
4. 6 3/8 days

✅ Correct Answer: 3

A can do a job in 18 days and B can do it in 30 days. A and B working together will finish twice the amount of work in ------- days?

1. 21 ½ days
2. 22 ½ days
3. 23 ½ days
4. 12 ½ days

✅ Correct Answer: 2

A can do a job in 18 days and B can do it in 30 days. A and B working together will finish twice the amount of work in ------- days?

1. 21 ½ days
2. 22 ½ days
3. 23 ½ days
4. 12 ½ days

✅ Correct Answer: 2

A can do a piece of work in 10 days and B can do it in 15 days and C can do it 20 days. They started the work together and A leaves after 2 days and B leaves after 4 days from the beginning. How long will work lost?

1. 8 2/3 days
2. 9 2/3 days
3. 10 2/3 days
4. 10 days

✅ Correct Answer: 3

A can do a piece of work in 12 days. When he had worked for 2 days B joins him. If the complete work was finished in 8 days. In how many days B alone can finish the work?

1. 18 days
2. 12 days
3. 24 days
4. 10 days

✅ Correct Answer: 1

A and B together can do a work in 6 days. If A alone can do it in 15 days. In how many days can B alone do it?

1. 10
2. 15
3. 12
4. 16

✅ Correct Answer: 1

. A can do a piece of work in 15 days and B in 20 days. They began the work together but 5 days before the completion of the work, A leaves. The work was completed in?

1. 8 days
2. 10 days
3. 15 days
4. 11 3/7 days

✅ Correct Answer: 4

A, B and C can do a piece of work in 24, 30 and 40 days respectively. They start the work together but C leaves 4 days before the completion of the work. In how many days is the work done?

1. 15 days
2. 14 days
3. 13 days
4. 11 days

✅ Correct Answer: 4

A is thrice as efficient as B and is, therefore, able to finish a piece of work 10 days earlier than B. In how many days A and B will finish it together?

1. 3 1/2 days
2. 3 4/5 days
3. 3 days
4. 5 days

✅ Correct Answer: 4

A, B and C can do a piece of work in 7 days, 14 days and 28 days respectively. How long will they taken, if all the three work together?

1. 3 days
2. 4 days
3. 5 days
4. 6 days

✅ Correct Answer: 2

After working for 6 days, Ashok finds that only 1/3 rd of the work has been done. He employs Ravi who is 60% as efficient as Ashok. How many days more would Ravi take to complete the work?

1. 19 days
2. 10 days
3. 20 days
4. 12 days

✅ Correct Answer: 3

A, B and C can do a work in 6, 8 and 12 days respectively doing the work together and get a payment of Rs.1800. What is B's share?

1. Rs.500
2. Rs.450
3. Rs.300
4. Rs.500

✅ Correct Answer: 1

If A, B and C together can finish a piece of work in 4 days. A alone in 12 days and B in 18 days, then C alone can do it in?

1. 21 days
2. 15 days
3. 12 days
4. 9 days

✅ Correct Answer: 4

5 men and 12 boys finish a piece of work in 4 days, 7 men and 6 boys do it in 5 days. The ratio between the efficiencies of a man and boy is?

1. 1:2
2. 2:1
3. 2:3
4. 6:5

✅ Correct Answer: 4

9 men and 12 boys finish a job in 12 days, 12 men and 12 boys finish it in 10 days. 10 men and 10 boys shall finish it in how many days?

1. 8
2. 10
3. 12
4. 14

✅ Correct Answer: 3

A and B can finish a work in 16 days while A alone can do the same work in 24 days. In how many days B alone will complete the work?

1. 56
2. 48
3. 56
4. 58

✅ Correct Answer: 2

A can finish a piece of work in 5 days. B can do it in 10 days. They work together for two days and then A goes away. In how many days will B finish the work?

1. 4 days
2. 5 days
3. 6 days
4. 8 days

✅ Correct Answer: 1

. Ramesh can finish a work in 20 days and Sushil in 25 days. They both work together for 5 days and then Sushil goes away. In how many days will Ramesh complete the remaining work?

1. 8 days
2. 9 days
3. 10 days
4. 11 days

✅ Correct Answer: 4

16 men can complete a piece of work in 25 days. In how many days can 20 men complete that piece of work?

1. 16 days
2. 18 days
3. 20days
4. 22 days

✅ Correct Answer: 3

5 men are equal to as many women as are equal to 8 boys. All of them earn Rs.90 only. Men's wages are?

1. Rs.6
2. Rs.5
3. Rs.4.50
4. Rs.5.50

✅ Correct Answer: 1

45 men working 8 hours per day dig 30 m deep. How many extra men should be put to dig to a depth of 50 m working 6 hours per day?

1. 25
2. 30
3. 45
4. 55

✅ Correct Answer: 4

. A is half good a work man as B and together they finish a job in 14 days. In how many days working alone B finish the job?

1. 20
2. 21
3. 22
4. 23

✅ Correct Answer: 2

A and B can do a piece of work in 8 days. B and C can do it in 12 days and A and C in 16 days. Working together they will complete the work in how many days?

1. 14.76 days
2. 12.2 days
3. 9.48 days
4. 7.38 days

✅ Correct Answer: 4

Two men and three women working 7 hours a day finish a work in 5 days. Four men and four women working 3 hours a day complete the work in 7 days. The number of days in which only 7 men working 4 hours a day will finish the work is?

1. 5 days
2. 6 days
3. 7 days
4. 10 days

✅ Correct Answer: 1

A can do a piece of work in 20 days. B in 15 days A and C in 12 days. In how many days can A finish the work if he is assisted by B on one day and C on the next, alternately?

1. 10
2. 8
3. 6
4. 4

✅ Correct Answer: 1

3 men or 6 women can do a piece of work in 20 days. In how many days will 12 men and 8 women do the same work?

1. 7/2
2. 5/4
3. 5
4. 4

✅ Correct Answer: 2

A is twice as good a workman as B and they took 7 days together to do the work B alone can do it in.

1. 12 days
2. 18 days
3. 21 days
4. 27 days

✅ Correct Answer: 3

A can do half the work in one day where as B can do it full. B can also do half the work of C in one day. Ratio in their efficiency will be?

1. 4:2:1
2. 2:4:1
3. 2:1:4
4. 1:2:4

✅ Correct Answer: 4

A can do a piece of work in 12 days. He worked for 15 days and then B completed the remaining work in 10 days. Both of them together will finish it in.

1. 12 1/2 days
2. 25 days
3. 6 days
4. 12 days

✅ Correct Answer: 1

A can do a half of certain work in 70 days and B one third of the same in 35 days. They together will do the whole work in.

1. 420 days
2. 120 days
3. 105 days
4. 60 days

✅ Correct Answer: 4

If 3 workers collect 48 kg of cotton in 4 days, how many kg of cotton will 9 workers collect in 2 days?

1. 216
2. 108
3. 72
4. 36

✅ Correct Answer: 3

Anita, Indu and Geeta can do a piece of work in 18 days, 27 days and 36 days respectively. They start working together. After working for 4 days. Anita goes away and Indu leaves 7 days before the work is finished. Only Geeta remains at work from beginning to end. In how many days was the whole work done?

1. 16 days
2. 17 days
3. 18 days
4. 19 days

✅ Correct Answer: 1

A, B and C completed a piece of work, A worked for 6 days, B for 9 days and C for 4 days. Their daily wages were in the ratio of 3:4:5. Find the daily wages of C, if their total earning was Rs.1480?

1. Rs 80
2. Rs.75
3. Rs.100
4. Rs.90

✅ Correct Answer: 3

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 to do the same. If 3 women do as much work as 2 men?

1. 10
2. 20
3. 30
4. 40

✅ Correct Answer: 3

Some persons can do a piece of work in 12 days. Two times the number of these people will do half of that work in?

1. 3 days
2. 4 days
3. 5 days
4. 6 days

✅ Correct Answer: 1

If 12 men and 16 boys can do a piece of work in 5 days and 13 men together will 24 boys can do it in 4 days. Compare the daily work done by a man with that of a boy.

1. 4:3
2. 2:1
3. 1:2
4. 2:5

✅ Correct Answer: 2

Two pipes X and Y can separately fill a cistern in 18 and 24 hours respectively. If they are turned on alternately for one hour each, how long will it take to fill the cistern?

1. 20 hours 30 min
2. 24 hours
3. 18 hours 30
4. 16 hours

✅ Correct Answer: 1