Question
A biodiversity hotspot is a biogeographic region with
significant levels of biodiversity that is threatened by human habitation. Which one of the following is a global biodiversity hotspot in India?Solution
In India there are 4 biodiversity hotspots : Himalayas, the Western Ghats, the Indo-Burma region and the Sundaland.
A boy goes to his school at 1/6th of the speed at which he returns from his school. Average speed during the whole trip (i.e. one round) is 36 km/h. Wha...
Resham travels 60 km at 20 km/h by cycle, 120 km at 60 km/h by car, and the remaining 10 km on foot at 2.5 km/h. Find her average speed for the whole jo...
- If the ratio of speeds of βXβ, βYβ and βZβ is 6:3:9 respectively, and βXβ takes 30 seconds to cover 360 metres, then find the time taken by...
Bus P takes 30 minutes to cover a distance of 60 km. If bus Q is 20% faster than bus P. Find the time taken by bus Q to cover the same distance?
A train has to cover a distance of 120 km in 10 hours. If it covers half journey in 3/5th time, then the speed of covering the remaining dist...
If a person walks at (2/3) of his normal speed, he arrives at his office 30 minutes late. What is the usual time taken by him to ...
- In a 2 km race, 'X' allows 'Y' a lead of 400 metres, but still beats him by 200 metres. If 'Y' finishes the race in 20 minutes, how much time does 'X' take...
The speed ratio of Y and Z is 5 : 4. If Y increases his speed by 25%, he can cover 300 km in 4 hours. How long will Z take to travel 192 km?
βAβ and βBβ started moving towards each other at same time with a speed of 22 km/hr and 14 km/hr, respectively. If the distance covered by βAοΏ½...
- The speed ratio of Renu and Meenu is 4:5, respectively. Renu travels a distance of 300 km from point 'A' to 'B', while Meenu covers the same distance but i...
