According to the question, 50 × 15 = 10 × 10 + (10 + x) × 10 Or, 10 + x = (750 – 100) ÷ 10 Or, 10 + x = 65 Or, x = 55
The length of a rectangle is 10 cm more than its width. If the perimeter of the rectangle is 40 cm, find the area of the rectangle.
Without stopping the speed of the train is 80 kmph, with stopping the speed of the train is 60 kmph.Find the stop time of the train?
A train running with a speed of 45 km/hr can cross a pole in 10 seconds and a platform in 20 seconds. Find the length of the platform.