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SSC Sample Paper Mock Test-5 SSC CGL Tear-II Paper-1

  • question_answer
    Sunita can do a piece of work in 6 h and Kavita alone can do it in 8 h. Sunita and Kavita under took to do it for Rs. 320. With the help of Geetanjai, finished it in 3 h. How much is paid to Geetanjli?

    A)  Rs. 37.50                     

    B)  Rs. 40   

    C)  Rs. 35.20                     

    D)  Rs. 80  

    Correct Answer: B

    Solution :

        Each worked for 3 h Sunita's work for 3 h\[=3\times \frac{1}{6}=\frac{1}{2}\] So,       Sunita gets \[\left( \frac{1}{2}\times 320 \right)\]= Rs. 160 Kavita s work for 3 h \[=3\times \frac{1}{8}=\frac{3}{8}\] So,       Kavita gets \[\left( \frac{3}{8}\times 320 \right)\]= Rs. 120 Geetanjali gets \[=320-(160+120)\] \[=320-280=\] Rs. 40  


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