Aptitude · all questions

Time And Work
practice.

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355

Questions

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Q261

Open question

A can do a piece of work in 12 days and B in 20 days. If they together work on it for 5 days, and remaining work is completed by C in 3 days, then in how many days can C do the same work alone ?

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Q262

Open question

A and B work together to complete the rest of a job in 7 days. However,

\frac{37}{100}

of the job was already done. Also the work done by A in 5 days is equal to the work done by B in 4 days. How many days would be required by the fastest worker to complete the entire work ?

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Q263

Open question

A can do a work in 10 days. The efficiency of A is 20% less than B. How many days B need to finish the same work?

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Q264

Open question

A group of workers can complete a piece of work in 50 days, when they are working individually. On the first day one person works, on the second day another person joins him, on the third day one person joins them and this process continues till the work is completed. How many approximate days are needed to complete the work ?

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Q265

Open question

A can do a piece of work in 20 days and B in 15 days. With help of C, they finish the work in 5 days. In how many days C alone can do the same work ?

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Q266

Open question

Shashi can do piece of work in 20 days. Tanya is 25% more efficient than Sashi. The number of days taken by Tanya to do the same piece of work is = ?

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Q267

Open question

18 men or 36 boys working 6 hours a day can plough a field in 24 days. In how many days will 24 men and 24 boys working 9 hours a day plough the same field ?

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Q268

Open question

A can do

\frac{1}{3}

rd of a work in 5 days and B can do the do

\frac{2}{5}

th of this work in 10 days. Both A and B, together can do the work in ?

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Q269

Open question

A and B undertake a piece of work for Rs. 250. A alone can do that work in 5 days and B alone can do that work in 15 days. With the help of C, they finish the work in 3 days. If every one gets paid in proportion to work done by them, the amount C will get is ?

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Q270

Open question

A is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the work is = ?

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Q271

Open question

A and B can together do a piece of work it in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is ?

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Q272

Open question

A can do a piece of work in 18 days. He worked at it for 12 days and B finished the remaining work in 8 days. B alone can do the whole work in ?

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Q273

Open question

A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in ?

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Q274

Open question

A can do a certain job in 12 days and B is 60% more efficient than A. The B can do the same piece of work in ?

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Q275

Open question

A man can do a piece of work in 30 hours. If he works with his son then the same piece of work is finished in 20 hours. If the son works alone then he do the work in ?

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Q276

Open question

The daily wages of A and B respectively are Rs. 3.50 and Rs. 2.50. When A finishes a certain work, he gets a total wage of Rs. 63. When B does the same work, he gets a total wage Rs. 75. If both of them do it together what is cost of the work ?

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Q277

Open question

A man does double the work done by a boy in the same time. The number of days that 3 men and 4 boys will take to finish a work which can be done by 10 men in 8 days is ?

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Q278

Open question

P can do

\frac{1}{4}

th of work in 10 days. Q can do 40% of work in 40 days and R can do

\frac{1}{3}

rd of work in 13 days. Who will complete the work first ?

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Q279

Open question

The time taken by 4 men to complete a job is double the time taken by 5 children to complete the same job. Each man is twice as fast as a woman. How long will 12 men, 10 children and 8 women take to complete a job, given that a child would finish the job in 20 days ?

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Q280

Open question

The labourers A, B, C were given a contract of Rs. 750 for doing a certain piece of work. All the three together can finish the work in 8 days, A and C together can do it 12 days, while A and B together can do it in

13 \frac{1}{3}

days. The money will be divided in the ratio ?

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Time And Workpractice.

Time And Work
practice.