HARD

Earn 100

$2$ men and $7$ boys can do a piece of work in $14$ days, $3$ men and $8$ boys can do the same in $11$ days. In how many days $8$ men and $6$ boys can do three times the amount of this work?

50% studentsanswered this correctly

Important Questions on Time and Work

EASY

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

Deepa and Seema together do a work in

6

days. Deepa can complete the same work alone in

9

days. In how many days will Seema complete the work alone ?

EASY

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

Ten people can do a work in $30$ days. In how many days, can 15 people complete double the work -

1. $40$

2. $25$

3. $20$

4. $45$

MEDIUM

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

10

persons can build a wall in

8

days. How may persons can build the wall in half day ?

HARD

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

Indira and Chandra can do a task separately in

20

days and

80

days respectively. Indra begins the work and works for

3

days and then takes a leave for five days during those days Chandra works. This process continues till the end of the work. How many days are taken to complete the work?

HARD

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

A

and

B

can do a job together in

12

days.

A

2

times as efficient as

B

. In how many days can

B

alone complete the work?

MEDIUM

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

A,B, and C together complete a work in 2 days. If A and B need 2.4 days to complete the work, while B and C together complete the work in 4 days then in how many days will B alone do the work?

MEDIUM

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

A and B can complete a piece of work in

6

and

12

days separately. If they work jointly, how long will they take to complete this piece of work ?

EASY

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

5 men take 20 days to complete a task. They work 8 hours per day. 8 men work for 7 hours a day, then in how many days will they finish the task?

EASY

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

28

men can complete a piece of work in

15

days and

15

women can complete the same piece of work in

24

days. What is the respective ratio between the amount of work done by

30

men in

1

day and the amount of work done by

18

women in

1

day?

EASY

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

7

boys and

2

men were working together can do

3

times as much work per hour as a boy and a man together, what will be the ratio of work done by a boy and a man for the given time?

MEDIUM

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

9800 J

of energy was spent to raise a mass of

70 kg

. The mass was raised to a height of _____?

MEDIUM

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

A group of soldiers can completely destroy an enemy camp in

5

days. However,

9

soldiers were injured. The remaining soldiers destroyed the camp in

8

days. Calculate the actual number of soldiers who destroyed the camp?

EASY

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

X

can complete a work in

27

days, and

Y

can do the same work in half of the time taken by

X

. They are working together, what part of the same work they can complete in a day?

EASY

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

Ratio of days required by A and B to complete some work is

3 : 5

. They require

5 \frac{5}{8}

days to complete the work. In how many days can A alone complete twice the work?

HARD

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

X

can complete

{\frac{5}{7}}^{t h}

part of a work in

10

days and

Y

can complete

{\frac{3}{4}}^{t h}

part of the same work in

9

days. In how many days will both complete

{\frac{13}{21}}^{s t}

part of the total work?

MEDIUM

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

M

alone can do a work in

50

days.

M

10 %

less efficient than

N

. In how many days can

N

alone do the same work?

EASY

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

X can do 5 times faster work than that of Y and so it takes 36 days less than Y. Find the time in which X alone can complete the work?

EASY

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

A can do a piece of work in

8

days which B can destroy in

3

days. A has worked for

6

days, during the last

2

days of which B has been destroying. How many days must A now work alone to complete the work?

EASY

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

A

is twice as good a workman as

B

and together, they finish a piece of work in

14

days. The number of days taken by

A

alone to finish the work is:

EASY

Mathematics>Algebra>Time and Work>Work, Time, Speed and Distance

A

works twice as fast as

B

. If

B

can complete a piece of work independently in

12

days, then what will be the number of days taken by

A

and

B

together to finish the work?

2 men and 7 boys can do a piece of work in 14 days, 3 men and 8 boys can do the same in 11 days. In how many days 8 men and 6 boys can do three times the amount of this work?

Important Questions on Time and Work

Learn and Prepare for any exam you want !

$2$ men and $7$ boys can do a piece of work in $14$ days, $3$ men and $8$ boys can do the same in $11$ days. In how many days $8$ men and $6$ boys can do three times the amount of this work?