Question
Identify the 'green-house
gas'.Solution
Carbon dioxide, methane, and nitrous oxide are all greenhouse gases, contributing to the greenhouse effect and climate change.
A train 200 metre long takes 20 sec to cross a man running at a speed of 4 km/hr in the direction same to that of train. What is the speed of the train?
How many seconds will a train 60 m in length, travelling at the rate of 40 km an hour, take to pass another train 90 m long, proceeding in the same dire...
A train crosses a pole and a platform of length 300 metres in 9 seconds and 24 seconds, respectively. Find the length of train.
A train with 10 compartments of equal length takes 20 seconds to cross a pole and 28 seconds to cross a 160-metre-long platform. If 4 compartments of th...
Train ‘A’ running with a speed of 108 km/hr crosses a vertical pole in 8 seconds. Find the time taken by the train ‘A’ to cross a train ‘B’ ...
Ratio of the lengths of two trains ‘X’ and ‘Y’ is 5:7 respectively and the ratio of time taken by them to cross a pole is 2:3 respectively. If s...
A 150 m long train crosses another 270 m long train running in the opposite direction in 14 seconds. If the shorter train crosses a pole in 12 seconds, ...
Train ‘A’ running with a speed of 108 km/hr crosses a vertical pole in 6 seconds. Find the approx. time taken by the train ‘A’ to cross a train ...
- Speeds of train 'A' and train 'B' are in the ratio 1:3, respectively. Train 'B' can completely overtake train 'A' in 200 seconds. If lengths of train 'A' a...
- A truck moving at 30 km/h is overtaken by a train in 20 seconds. If the train is travelling at twice the speed of the truck, calculate its length.
