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Banking Sample Paper IBPS PO (PT) Sample Test Paper-1

  • question_answer
    Two persons M and N undertook to do a piece of work for Rs. 6534. M alone can do it in 12 days and N alone can do it in 18 days. If with the assistance of a third person 0, they finish the work in 6 days, then what is the share of O?

    A)  Rs. 1089                    

    B)  Rs. 1369

    C)  Rs. 1449                    

    D)  Rs. 1140

    E)  Rs. 1208

    Correct Answer: A

    Solution :

     Let the total work be 36 units (LCM of 6, 12 and 18). \[\therefore \]M's one day's work \[=\frac{36}{12}=3units\] N's one day's work \[=\frac{36}{18}=2units\] \[(M+N+O)'\]s one day's work \[=\frac{36}{6}=6units\] \[\therefore \]O's one day's work \[=6-(3+2)=1unit\] \[\therefore O's\] one day?s work \[=\frac{1}{6}\times 6534=\text{Rs}\text{. 1089}\]


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