A car averages 55 mph for the first 4 hours of a trip and
averages 70 mph for each additional hour. The average speed
for the entire trip was 60 mph. How many hours long is the trip?
Answer / mohitkuldeep
let total time = x hrs
55*4 + 70*(x-4) = 60*x
10x = 60
x =6
answer is 6 hrs
Is This Answer Correct ? | 16 Yes | 1 No |
which mammal lives the longest besides man?
if the radius of the circle is increased by 6% then its area increased by
Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the time the second cyclist started biking
2/3 of people read newspaper A,3/4 read newspaper B.if 38 read both and 8 didn't read any of the 2.how many read A?
) Six friends decide to share a big cake. Since all of them like the cake, they begin quarreling who gets to first cut and have a piece of the cake. One friend suggests that they have a blindfold friend choose from well shuffled set of cards numbered one to six. You check and find that this method works as it should simulating a fair throw of a die. You check by performing multiple simultaneous trials of picking the cards blindfold and throwing a die. You note that the number shown by the method of picking up a card and throwing a real world die, sums to a number between 2 and 12. Which total would be likely to appear more often – 8,9 or 10?
who introduced rupee in india?
If a person walks at 4/5th of his usual spee he reaches 40min late. If he walks athis usual speed how much time does he travels.
7 Answers BEML, Geometric Software,
Girish invested a certain amount at the rate of 8% p.a. for 6 year to obtain an amount of Rs. 28046.How much amount did Girish obtain as simple interest?
can any1 inform me abt office work aptitude?????????
Hello , can any one inform me about any good Bank PO training institute at Bangalore.
A ship started from port and moving with 'I' miles/hour and other ship started From L and moving with 'H' miles/hour . At the place where these two ships will meet?
i need old exam papers for SBI clerical grade written test
3 Answers Bank Of India, Scientific Publishing Services, State Bank Of India SBI, TATA,