Question
What is the average elevation of Tuvalu, making it
highly vulnerable to sea-level rise?Solution
Tuvalu , a Polynesian island nation, has an average elevation of just 2 metres , making it one of the most climate-vulnerable countries in the world. Rising sea levels are expected to submerge much of its land by 2050 , as projected by NASA .
The distance between points X and Y is in the ratio of 16:9 compared to the distance between points Y and Z. A person P travels f...
How much time a train 100 metres long running at the speed of 72 km/hr take to cross a bridge 180 metres in length?
- Two buses ‘R’ and ‘S’, which were 880 km apart, started traveling towards each other at the same time and met after 5.5 hours. If the speed of bus ...
The speed of two cars A and B are in the ratio of 13:17 respectively. Car A travels 16 km less than the car B in the same time duration. What was the di...
A boy can swim a certain distance downstream in 5 hours and return in 7 hours. If the rate of stream is 4 kmph then what is the speed of boy in still wa...
A man walks from town A to town B at 5 km/h and returns from B to A along the same route at 3 km/h. If the total time taken for the round trip is 3 hour...
A bus of length 150 meters can cross a signal post in 6 seconds. A second bus traveling at three times the speed of the first bus can cross a car travel...
A car covers its journey at the speed of 80 km/hr in 10 hours. If the same distance is to be covered in 4 hours, by how much the speed of the car will h...
- In a 500-metre race, 'M' beats 'O' by 100 metres, and 'O' beats 'N' by 75 metres. Find by how much distance 'M' beats 'N'.
A car travels at a speed of 60 km/hr for 2 hours and then at 40 km/hr for 3 hours. Find the total distance travelled.
