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B is thrice as efficient as A and C is 0.75 times as efficient as A. What is the ratio of number of days taken by A, B and C when they work individually?
- A4 : 1 : 3
- B3 : 1 : 4
- C2 : 3 : 1
- D5 : 1 : 2
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0
CCommunity
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 0.75 times as efficient as A
⇒ Efficiency of C = 75
From the given data,we need to find the ratio of number of days A, B and C when they work individually
∴ LCM of the 100, 300 and 75 is 300
∴ Ratio of number of days when their work individually = 300/100 : 300/300 : 300 /75
= 3 : 1 : 4
Given that B is thrice as efficient as A
⇒ Efficiency of B = 300
Also given that C is 0.75 times as efficient as A
⇒ Efficiency of C = 75
From the given data,we need to find the ratio of number of days A, B and C when they work individually
∴ LCM of the 100, 300 and 75 is 300
∴ Ratio of number of days when their work individually = 300/100 : 300/300 : 300 /75
= 3 : 1 : 4
0
CCommunity
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 0.75 times as efficient as A
⇒ Efficiency of C = 75
From the given data,we need to find the ratio of number of days A, B and C when they work individually
∴ LCM of the 100, 300 and 75 is 300
∴ Ratio of number of days when their work individually = 300/100 : 300/300 : 300 /75
= 3 : 1 : 4
Given that B is thrice as efficient as A
⇒ Efficiency of B = 300
Also given that C is 0.75 times as efficient as A
⇒ Efficiency of C = 75
From the given data,we need to find the ratio of number of days A, B and C when they work individually
∴ LCM of the 100, 300 and 75 is 300
∴ Ratio of number of days when their work individually = 300/100 : 300/300 : 300 /75
= 3 : 1 : 4