2) If A, B and C are the mechanisms used separately to
reduce the wastage of fuel by 30%, 20% and 10%. What will be
the fuel economy if they were used combined.

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2) If A, B and C are the mechanisms used separately to reduce the wastage of fuel by 30%, 20% and 1..

100*30%=30
70*20%=14
56*10%=5.6
30+14+5.6=49.6%

 Is This Answer Correct ? 41 Yes 10 No

2) If A, B and C are the mechanisms used separately to reduce the wastage of fuel by 30%, 20% and 1..

mean of 30%, 20%, 10% = 20%

 Is This Answer Correct ? 35 Yes 11 No

2) If A, B and C are the mechanisms used separately to reduce the wastage of fuel by 30%, 20% and 1..

49.6%

 Is This Answer Correct ? 8 Yes 4 No

2) If A, B and C are the mechanisms used separately to reduce the wastage of fuel by 30%, 20% and 1..

30

 Is This Answer Correct ? 12 Yes 11 No

2) If A, B and C are the mechanisms used separately to reduce the wastage of fuel by 30%, 20% and 1..

100 of 30% is 30 so remaining 70
now 70 of 20% is 14 so remaining 56 and
56 of 10% is 5.6 so remaining 50.40.
so 50.40 is remaining fuel wastage and reduce of fuel
wastage is 100-50.40=49.6%

 Is This Answer Correct ? 10 Yes 9 No

2) If A, B and C are the mechanisms used separately to reduce the wastage of fuel by 30%, 20% and 1..

(30+20+10/300)*100=20% fuel economy if they were used combined

 Is This Answer Correct ? 4 Yes 3 No

2) If A, B and C are the mechanisms used separately to reduce the wastage of fuel by 30%, 20% and 1..

Mean of 30%,20%,10%=20%

 Is This Answer Correct ? 3 Yes 3 No

2) If A, B and C are the mechanisms used separately to reduce the wastage of fuel by 30%, 20% and 1..

54.4%

 Is This Answer Correct ? 3 Yes 8 No

2) If A, B and C are the mechanisms used separately to reduce the wastage of fuel by 30%, 20% and 1..

60%

 Is This Answer Correct ? 2 Yes 9 No

2) If A, B and C are the mechanisms used separately to reduce the wastage of fuel by 30%, 20% and 1..

55%

 Is This Answer Correct ? 8 Yes 16 No

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