Multiple Choice Questions on Sarthak and Mohan have been assigned a work to design a room for a ceremony Sarthak can design ........... for SSC CGL Exam Preparation

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Multiple Choice Questions

Sarthak and Mohan have been assigned a work to design a room for a ceremony Sarthak can design ...........

Quantitative Aptitude (CGL) Time and work
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    Sarthak and Mohan have been assigned a work to design a room for a ceremony, Sarthak can design the entire room in 12 days, while Mohan can design the room in 15 days. In how many days will the work be completed if they work together? (Rounded off to 2 decimal places) 

    This questions was previously asked in
    Combined Graduate Level Examination Tier I 2023
    View All ssc Previous Year Papers

    5.67 

    Incorrect Answer

    6.67 

    Correct Answer

    1.33 

    Incorrect Answer

    6.00

    Incorrect Answer
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    Explanation:

    - Sarthak can complete the room design in 12 days. Therefore, his work rate is 1/12 of the room per day.

    - Mohan can complete the room design in 15 days. Thus, his work rate is 1/15 of the room per day.

    - If they work together, their combined rate is the sum of their individual rates: (1/12 + 1/15) = (5/60 + 4/60) = 9/60.

    - Simplifying 9/60 gives a combined rate of 3/20 of the room per day.

    - Hence, working together, they can complete the room design in 20/3 days.

    - Simplifying 20/3 gives approximately 6.67 days.

    Option:2, 6.67

    By: Parvesh Mehta
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