Multiple Choice Questions on Two cogged wheels of which one has 32 cogs and other 54 cogs work into each other If the latter turn........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Two cogged wheels of which one has 32 cogs and other 54 cogs work into each other If the latter turn...........

Quant (SSC) Problems on trains
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    Two cogged wheels of which one has 32 cogs and other 54 cogs, work into each other. If the latter turns 80 times in three quarters of a minute, how often does the other turn in 8 seconds?

    48

    Incorrect Answer

    24

    Correct Answer

    38

    Incorrect Answer

    36

    Incorrect Answer
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    Explanation:

    Explanation:
    Less Cogs  more turns and less time  less turns
        Cogs  Time  Turns   A  54       45       80
                            B  32        8        ?

    Number of turns required=80 × 54/32 × 8/45  = 24 times

    By: MIRZA SADDAM HUSSAIN
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