Time and Work For SBI PO Set -1

1.A and B together can do a piece of work in 4 days. If A alone can do it 6 days, in how many days can B alone complete the same piece of work?

a) 12

b) 8

c) 9

d) 16

e) None of these

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2. Fifty six men can complete a piece of work in 24 days. In how many days can 42 men complete the same piece of work?

a) 18 days

b) 32 days

c) 98 days

d) 48 days

e) None of these

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3. 15 Women can complete a work in 4 days. How long 20 women will take to complete the work?

a) 2 days

b) 2(1/2) days

c) 3days

d) 3(1/2)days

e) None of these

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4. Each child from a certain school can make 5 items of handicraft in a day. If 1125 handicraft items are to be displayed in an exhibition then in how many days can 25 children make these items ?

a) 6 days

b) 9 days

c) 8 days

d) 7days

e) None of these

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5. 9 children can complete a piece of work in 360 days. 18 men can complete the same piece of work in 72 days and 12 women can complete the piece of the work in 162 days. In how many days can 4 men, 12 women and 10 children together complete the piece of work?

a) 124days

b) 81days

c) 68days

d) 96days

e) None of these

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6. 6 men and 8 women together can complete a piece of work in 10 days. Work done by a women in one day is equal to half the work done by a man in one days. If 10 women are working alone, in how many days will the work get complete?

a) 10 Days

b) 16Days

c) 14Days

d) Cannot be determined

e) None of these

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7 . A and B together can complete a task in 20 days. B and C can complete the same task in 30 days. A and C can complete a same task in 40 days. What is the respective ratio of the number of days taken by A when completing the same task alone to the number of day taken by C when completing the same task alone?

a) 2:5

b) 2:7

c) 3:7

d) 1:5

e) 3:5

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8. If 12 boys or 15 girls can do a work in 48 days, in what time will 24 boys and 6 girls do twice the work?

a) 42Days

b) 40Days

c) 45Days

d) 30Days

e) None of these

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9. M and N can do a work in 10 days and 15 days respectively. If M starts on the work and both work alternatively day after day, in how many days will the work will be completed?

a) 10

b) 12

c) 8

d) 9

e) None of these

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10) 9 children can complete a piece of work in 360 days, 18 men can complete the same piece of work in 72 days and 12 women can complete in 162 days. In how many days can 4 men, 12 women and 10 children together complete the piece of work?

a) 68 days

b) 81days

c) 96 days

d) 124 days

e) None of these

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