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Since the train covers different distance with different speeds. So, Average speed = Total Distance/Total Time Total distance = 40 + 33 + 80 = 153 km Time1 = 40/30, Time2 = 33/44 & Time3 = 80/64 Total Time = 40/30 + 33/44 + 80/64 Therefore, Average Speed = 153/(40/30 + 33/44 + 80/64) = 45.9 km/hr
In a class of 58 students, all the students are sitting in a row facing north, Reyansh is sitting 28th from the right end of the row. Only 17 students a...
If 2 boys and 2 girls are to be arranged in a row so that the girls are not next to each other, how many possible arrangements are there?
Among seven friends S, T, U, V, W, X and Y. T is taller than only four other friends. U is taller than V. S is taller than X. W is taller than one perso...
If M and L have 19 and 28 medals respectively, then O may have ___ medals.
In a row of all persons facing north, Mr. Raju is 33rd from the left end and in the right side of Mr. Raju, there are only 16 persons. What is the total...
There are five students in a class – Paul, Qesh, Ryan, Sam, and Toni having different heights. Paul’s height is more than only one students. Qesh’...
In a queue, Amarjit is 10th from the front while Muskan is 25th from behind and Manjit is just in the middle of the two. If there be 50 persons in the q...
How many students scored more marks than V?
There are 38 persons in a row, in which A is 8th from the left and B is 12nd from the right side of the row. Find out no of people between A and B.
If the weight of A is 52kg and the weight of D is 45kg, then what would be the weight of C?
