⟩ A train covers a km at an average speed of u km/h and b km at an average speed of v km/h. What is the average speed of the train in kmph for entire journey? 1) (a+b)/(u+v) 2) uv(a+b)/(av+bu) 3) au+bv/u+v 4) (av+bu)/uv(a+b)
2) uv(a+b)/(av+bu)
Question and Answer:
Home Business Administration
- Share
Popular Answers:
* There is no answer to the above question yet.
More Questions for you:
The average weight of 40 employees is reduced by 1 kg. Among them 10 employees whose average weight is 20 kg are fired and 10 new employees are hired. Find the average weight of new employee. 1) 17 kg 2) 15.50 kg 3) 16.50Kg 4) 16Kg
Production of wheat in a village is increased from 120 ton to 219 ton in two years. What is the average increase in production per year? 1) 49.50% 2) 34.50% 3) 20% 4) 69%
Mean of first ten even numbers is 1) 13 2) 15 3) 20 4) 11
How much cream milk at Rs. 55 per litre must be mixed with 200 litre of toned milk at Rs. 40 per litre to give an average price of 46 per litre? 1) 8330.33 litre 2) 9320.13 litre 3) 9331.33 litre 4) 9333.33 litre
A college has four sections in class V having 50, 45, 55 and 42 students. The mean marks obtained in English exam are 40, 50, 60 and 45 respectively for the four sections. Find the overall average of the marks. 1) 48.56 2) 49.16 3) 47.36 4) 50.16
A helicopter reached destination from source via four stops. Helicopter reached different stops at different speeds 100, 200, 300 and 400 kmph respectively. What is the average speed of the helicopter in its flight from source to destination? 1) 220 kmph 2) 188 kmph 3) 192 kmph 4) 212 kmph
In a class of 50 student, 20 are girls and rest are boys. Average weight of Girls and Boys are 45kg and 55 kg respectively. Then the mean weight of entire class in kg is 1) 50.50 2) 51.50 3) 50.00 4) 51.00
Milla covers journey from P to Q at 80 kmph and returns to P at a uniform speed of 100 kmph. Find the average speed. 1) 85 2) 88.88 3) 90 4) 92
A businessman bought two cars for Rs.800000. He sold one car at a profit of 30% and the other at a loss of 10%. If the S.P. of cars is same, then the cost price of each car is 1) 650000 and 250000 2) 400000 and 400000 3) 472727.3 and 327272.7 4) none of these
If the marked price of a Shirt is Rs.2000 and a discount of 15% is given on it, What is the S.P. of the Fan? 1) 1500 2) 1700 3) 1850 4) none of these
