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Time and work aptitude questions and answers - Page 1

1. A chocolate maker has to make 25 pieces each of length 3cm from a square shaped bar of length 75cm. If he takes 5 seconds to cut a single piece, then the time(seconds) taken to make 25 pieces is: (Note: The chocolate maker makes single piece of cake for a cut)

A. 125

B. 120

C. 115

D. 110

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2. There are 200 questions on a 3 hr examination.Among these questions are 50 mathematics problems. It is suggested that twice as much time be spent on each maths problem as for each other question. How many minutes should be spent on mathematics problems ?

A. 36

B. 72

C. 60

D. 100

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3. A can do a work in 18 days, B in 9 days and C in 6 days. A and B start working together and after 2 days C joins them. What is the total number of days taken to finish the work ?

A. 4.33

B. 4.5

C. 4.66

D. None

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4. A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is:

A. 1/4

B. 1/10

C. 7/15

D. 8/15

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5. A software engineer has the capability of thinking 100 lines of code in five minutes and can type 100 lines of code in 10 minutes. He takes a break for five minutes after every ten minutes. How many lines of codes will he complete typing after an hour?

A. 100

B. 180

C. 200

D. 250

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