Let the speed of the train be x Relative speed = (x + 4) km/hr ⇒ (x + 4) = (420 × 18)/(72 × 5) ⇒ (x + 4) = (7560)/(360) ⇒ x + 4 = 21 ⇒ x = 21 – 4 = 17 km/hr
If P's rank is eighth in the girls row. Q is twelfth from the bottom. If D is fourth from Q (when counted from bottom to top) and just in middle of P an...
There are five students S, T, U, V and W participating in a match. T gets lesser score than only U and S. V scores lesser than T and more than W. S does...
In a class of 24 students, Divya is sixth from the left and Rohan is three places to the right of Divya, and Amit is two places to the left of Rohan. Wh...
Sumit is ranked 54th from the top in his class. When counted from the bottom, he is ranked 56th. What is the total number of students in the class?
Among seven students D, E, F, G, H, I and J. I is heavier than J but lighter than G. F is heavier than E. D is the heaviest. E is fourth heaviest. H is ...
Ramesh is 18th from the right end in a row of 60 boys. What is his position from the left end?
How many persons write the book after R?
Six persons L, M, N, O, P and Q have different heights. O is shorter than N but taller than P. Q is the shortest, and M is just taller than N. L is not...
Five persons P, Q, R, S and T have different heights. T is taller than R but shorter than P. S is shorter than R but not the shortest. Who among the fo...
A is heavier than G. M is lighter than J. P is heavier than J but lighter than G. Who among them is heaviest?
