COMPUTER SCIENCE AND ENGINEERING
SQL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A and B can complete a work in 6 days.A can alone do it in 10 days.Then B can alone do the work in how many days?
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13.75 days
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14 days
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15 days
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16 days
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Explanation:
Detailed explanation-1: -so, we can say that B will take 18 days to complete the same work.
Detailed explanation-2: -Hence, A requires 10 days to finish the work alone and B requires 15 days to finish the work. So, the correct answer is “10 days”.
Detailed explanation-3: -So, both together will finish the work in 6 days.
Detailed explanation-4: -They worked together for 2 days and then B left the work. How many days will A require to finish the work? ∴ A can finish the work in 2 ½ days.
Detailed explanation-5: -∴ A and B can do the work in 6 days.
There is 1 question to complete.