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      Question

      B is thrice as efficient as A and C is 0.50 times as

      efficient as A. What is the ratio of number of days taken by A, B, and C when they work individually?
      A 3:1:4 Correct Answer Incorrect Answer
      B 3:1:6. Correct Answer Incorrect Answer
      C 2:3:1 Correct Answer Incorrect Answer
      D 5:1:2 Correct Answer Incorrect Answer

      Solution

      Let the efficiency of A be 100. Given that B is thrice as efficient as A   Efficiency of B = 300 Also given that C is 0.50 times as efficient as A Efficiency of C = 50   From the given data, We need to find the ratio of several days A, B, and C when they work individually LCM of 100, 300, and 50 is 300 Ratio of several days when they work individually.   300/100: 300/300: 300 /50 =3:1:6.

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