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Time and Work Maths - Time and Work

Jharkhand Board (JAC) - STD 8 - Maths (Jharkhand - English Medium). 29 questions in this chapter.

Question types

Time and Work question types

29 questions across 3 question groups — pick any mix to generate a Maths paper with step-by-step answer keys.

29
Questions
3
Question groups
5
Question types
Sample Questions

Time and Work questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 73 Marks Question3 Marks
Mohan takes $9$ hours to mow a large lawn. He and Sohan together can mow it in $4$ hours. How long will Sohan take to mow the lawn if he works alone?
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Q 93 Marks Question3 Marks
A pipe can fill a cistern in $10$ hours. Due to a leak in the bottom it is filled in $12$ hours. When the cistern is full, in how much time will it be emptied by the leak?
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Q 103 Marks Question3 Marks
A cistern can be filled by one tap in $8$ hours, and by another in $4$ hours. How long will it take to fill the cistern if both taps are opened together?
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Q 115 Marks Questions5 Marks
Aasheesh can paint his doll in $20$ minutes and his sister Chinki can do so in $25$ minutes. They paint the doll together for five minutes. At this juncture they have a quarrel and Chinki withdraws from painting. In how many minutes will Aasheesh finish the painting of the remaining doll?
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Q 125 Marks Questions5 Marks
$A$ and $B$ can do a piece of work in $18$ days; $B$ and $C$ in $24$ days and $A$ and $C$ in $36$ days. In what time can they do it, all working together?
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Q 135 Marks Questions5 Marks
$A$ and $B$ can do a piece of work in $6$ days and $4$ days respectively. $A$ started the work; worked at it for $2$0 days and then was joined by $B$. Find the total time taken to complete the work.
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Q 145 Marks Questions5 Marks
$A$ and $B$ can do a piece of work in $12$ days; $B$ and $C$ in $15$ days; $C$ and $A$ in $20$ days. How much time will $A$ alone take to finish the work?
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Q 155 Marks Questions5 Marks
$A, B$ and $C$ can reap a field in $15\frac{3}{4}$ days; $B, C$ and $D$ in $14$ days; $C, D$ and $A$ in $18$ days; $D, A$ and $B$ in $21$ days. In what time can $A, B, C$ and $D$ together reap it?
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