NextMockपरीक्षा शोधा, उदा. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · प्रश्न 83

Anil and Suman together can finish a job in 12 days, which Anil alone can do in 20 days. How long will Suman take alone?

  1. 28 days
  2. 29 days
  3. 30 days
  4. 27 days
  5. None of the above / More than one of the above
उत्तर दाखवा आणि स्पष्टीकरण

उत्तर: (C) 30 days

स्पष्टीकरण

Combined rate 1/12 minus Anil's 1/20 leaves Suman's rate 1/30.

  • (A) चूक

    Wrong: 1/12 − 1/20 = 1/30, not 1/28.

  • (B) चूक

    Wrong: incorrect.

  • (C) बरोबर

    Correct: Suman's rate = 1/12 − 1/20 = 1/30, so 30 days.

  • (D) चूक

    Wrong: incorrect.

  • (E) चूक

    Wrong: only one of the options A–D is correct.