A lorry averages 55mph for the first 4 hours of a trip and
averages 70 mph for each additional hour. The average
speed for entire trip was 60 mph. How many hours long is
the trip?
a)14 b)12 c)11 d)8 e)6
Answer Posted / dk mishra
e) 6
| Is This Answer Correct ? | 5 Yes | 0 No |
Post New Answer View All Answers
The price of sugar increases by 20%, by what % should a housewife reduce the consumption of sugar so that expenditure on sugar can be same as before ?
What number should be added to or subtracted from each term of the ratio 17 : 24 so that it becomes equal 1 : 2.
A fly is there 1 feet below the ceiling right across a wall length is 30m at equal distance from both the ends. There is a spider 1 feet above floor right across the long wall eqidistant from both the ends. If the width of the room is 12m and 12m, what distance is to be travelled by the spider to catch the fly? if it takes the shortest path.
Find the value of (1.99)2
2020201-565656=?
if f(x)=1/x then f(f(f(x))) equals
A speaks truth 70% of the times, B speaks truth 80% of the times.What is the probability that both are contradicting each other is ?
need Thomson Reuters Questions and Answers
If "PROMPT" is coded as QSPLOS ,then "PLAYER" should be?
Mahesh and Ramesh are questioners. The time taken by Mahesh and make a question is double of that taken by Ramesh. If Mahesh made 3/2 questions less each minute and Ramesh made 3 questions less each minute, to make m questions, the time taken by Ramesh would be 2n minutes less than that taken by Mahesh. If Ramesh takes n minutes to make m questions, find the number of questions that Ramesh can make in a minute?
Q1. Given a collection of points P in the plane, a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P). The minimum value of n1(P) over all configurations P of 5 points in the plane in general position(.i.e no three points in P lie on a line) is
Fathers age is 5 times his son's age. 4 years back the father was 9 times older than son.Find the fathers' present age.
Gaurav buys milk at Rs. 60 per litre, adds water to it and then sells it at Rs. 75 per litre. What should be the ratio of milk to water to get a profit of 37.5%?
What are the areas shell do ask questions during their technical selection test? send it to my email: kingsbogon@yahoo.com ,Thank you in advance
A dealer sells 3 sets at Rs.2400 each ,one at 20% gain and the other at 20% loss. what is the overall gain or loss.