An empty cylindrical tank is 140 cm in diameter. If 200 litres of water was poured into the tank. Calculate, correct to the nearest centimeter, the height of the water in the tank. (\(Take \pi = \frac{22}{7})\)
Arrange the following in ascending order of magnitude \(110_{two}, 31_{eight}, 42_{five}\)
A number is chosen at random from 40 and 50 inclusive. Find the probability that the number is prime.
John was facing S35°E. If he turned 90° in the anticlockwise direction, find his new direction.
A line L passing through the point (6, -13) is parallel to the line which passes through (7, 4) and (-3, 9). Find the equation of the line L.