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    Question

    A worker completes 6 tasks at an average rate of 5 tasks

    per day. If he needs to complete an average of 8 tasks per day over 12 days, what should be his average rate for the remaining days?
    A 18 Correct Answer Incorrect Answer
    B 11 Correct Answer Incorrect Answer
    C 21 Correct Answer Incorrect Answer
    D 31 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Total tasks required = 8 ├Ч 12 = 96 tasks

    Tasks completed in 6 days = 5 ├Ч 6 = 30 tasks

    Required tasks = 96 - 30 = 66

    Required average rate in remaining days = 66 ├╖ 6 = 11 tasks per day

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