Interested to Buy Any Domain ? << Click Here >> for more details...
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?
- 8 Answers
- 36983 Views
- Infotech, I also Faced
- E-Mail Answers
Answer Posted / kondayya
we have
(55*4+70*x)/(4+x)=60
by trial and error method,
put x=1,x=2,........
ans=2
| Is This Answer Correct ? | 9 Yes | 10 No |
Post New Answer View All Answers
If POINT + ZERO = ENERGY, then E + N + E + R + G + Y = ?
I HAVE APPLIED RRB EXAM. SO IWANT TO MODEL OUESTION PAPERS (DEGREE)
one fast typist type some matter in 2hr and another slow typist type the same matter in 3hr. if both do combinely in how much time they will finish.
If A/B = 6/5,then 3A+2B =
A small town's industries have a total turnover of Rs. 25,00,000. If the town council plans to raise Rs.170,000 through octroi levy, what % levy should it charge on the industries?
Two pencils costs 8 cents, then 5 pencils cost how much
If the % of defective balls is 10% balls,and the number of defective balls is 5.The number of balls is
which questions are asked in pnb related tocomputer and marketing apptitude
A storm will move with a velocity of towords the center in hours. At the same rate how much far will it move in hrs.
The lowest temperature in the night in a city A is 1/3 more than 1/2 the highest during the day. Sum of the lowest temperature and the highest temperature is 100 degrees. Then what is the low temp?
There are 12 boys and 15 girls, How many different dancing groups can be formed with 2 boys and 3 girls. Which of the following fractions is less than 1/3?
There is a certain four digit number whose fourth digit is twise the first digit. Third digit is three more than second digit. Sum of the first and fourth digits twise the third number. What was that number ?
Next number in the series: 77,49,36,18,?
One rectangular plate with lenght 8 inches, breadth 11inches and 2 inches thickness is there. What is the length of the circular rod with diameter 8 inches and equal to volume of rectangular plate?
3/p=6, 3/q=15 ......find p-q
