Study the given number, symbol series and answer the question that follows.
# 9 1 @ 4 * 7 5 3 9 1 < 3 9 1 # 2 * 6 ! 4 2 & 9 < 3 6
How many such numbers are there which are immediately preceded by a symbol and immediately followed by an even number?
In a class of 17 students, each scored differently. A's rank from the top is 9th, while B's rank from the bottom is 11th. C's rank from the top is better than A but worse than B. What is C's rank from the top?
The odometer of a car reads 12,000 km at the start of a trip and 12,800 km at its end. If the trip took 4 hours, then the average speed of car in m/sec is: