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.




Answer Posted / kutty

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

Is This Answer Correct ?    3 Yes 3 No






Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Two trains at speed 60 km/hr come in the opposite direction. At a particular time the distance between the two trains is 18km. A shuttle flies between the trains at the speed of 80 km/hr. At the time the two trains crashes what is the distance traveled by shuttle?

45


Ms. Neelam deposits an amount of Rs. 16420 at simple interest and obtained 25451 at the end of 5 years. What was the rate of interest per year?

52


A man spending half of his salary for house hold expenses, 1/4th for rent, 1/5th for travel expenses, a man deposits the rest in a bank. If his monthly deposits in the bank amount 50. What is his monthly salary ?

56


there are 2 guards Bal and Pal walking on the side of a wall of a wearhouse(12m X 11m) in opposite directions. They meet at a point and Bal says to Pal " See you again in the other side". After a few moments of walking Bal decides to go back for a smoke but he changes his direction again to his previous one after 10 minutes of walking in the other(opposite) direction remembering that Pal will be waiting for to meet.If Bal and Pal walk 8 and 11 feet respectively, how much distance they would have travelled before meeting again.

62


A garrison of 3300 men has provisions for 32 days, when given at a rate of 850 grams per head. At the end of 7 days reinforcement arrives and it was found that now the provisions will last 8 days less, when given at the rate of 825 grams per head. How, many more men can it feed?

58






In a 10 digit number, if the 1st digit number is the number of ones,2nd digit number is the number of twos, and ... so on. 10th digit is the number of zeroes,then find the number

50


GOOD is coded as 164 then BAD coded as 21.if ugly coded as 260 then JUMP?

54


If x and x+10 are lengths containing right angle, what is the equation if area is 24 sq.cm

49


In the month of march a basketball team played 60 games and won 30% of its game played. After some time the team raised it to 50%. How many games did the team had won to attain this average.

46


A worker pay Rs20 a day ,he works 1,1/3,2/3,1/8,3/4 in a week.What is the total amount paid to the worker.

47


A fold density is 19 times greater than the water and for copper it is 9 times.At what ratio you can mix gold and copper to get 15 times denser than water.

54


If a square is formed by the diagonal of the square as an edge, what is the ratio between the area?

82


slur : speech : : smudge :?

92


A car is filled with four and half gallons of oil for full round trip. fuel is taken 1/4 gallons mor3 in going than coming. what is the fiel consumed in coming up?

57


How many two digit numbers satisfy the property: the last digit of the square of the two digit number is 8:

63