A Base is a substance that is bitter in taste and turns red litmus paper into Blue. • Indicator properties of bases: Indicator-Colour changes Red Litmus paper -Turns Blue Methyl orange-From orange to yellow Phenolphthalein-from colourless to pink
Train ‘A’ of length 150 metres crosses a platform of length 250 meters in 20seconds. If the ratio of the speed of train ‘A’ to that of train ‘...
Humsafar express leaves Howrah station at a certain time. After 2 hours, Vande Bharat leaves the same station and travels in the same direction at a spe...
Train P travelling at 55 km/hr crosses another train Q, having three fourth of its length and travelling in opposite direction at 35 km/hr in 14 seconds...
A train of length 287 m, running at 80 km/h, crosses another train moving in the opposite direction at 37 km/h in 18 seconds. What is the length of the ...
Two trains of equal lengths take 20 seconds and 30 seconds respectively to cross a telegraph post. If the length of each train be 300 metres, in what ti...
A train can cross a pole, a bridge of 510 meter long and platform of 450 meter long in 11 seconds, _____ seconds and 26 seconds, respectively.
Th...
Two trains, A and B, cross each other in 30 seconds and 50 seconds respectively, when running in opposite and the same direction respectively. If the sp...
There are two trains A and B. A start from point X at 8 AM towards point Y. Another train B starts at 9 AM from point Y. If they meet at 11 AM and speed...
Two cars start from a place with a speed of 50 km/hr at an interval of 12 minutes. What is the speed of a man coming from the opposite direction towards...
Train X crosses a stationary train Y in 45 seconds and a pole in 25 seconds with the same speed. The length of the train X is 250 meters. What is the le...
