Question

मेंडलीफ की आवर्त सारणी के गुण​

Answer 1

Step-by-step explanation:

1. two trains of lengths 300m and 400m
2. moving in opposite directions started
3. crossing each other. at exactly the same
4. moment a person standing inside the first
5. train, at its end, started walking towards its
6. engine at 5km/hr. if the speeds of the first
7. and the second train are 50km/hr and
8. 35km/hr respectively, then how much time
9. after the trains started crossing each other
10. did the second Evan is painting his model
11. train. the train has 5 cubes joined together.
12. the cost to paint the train is 1cm2=$0.75.
13. how much does it cost to paint the train?
14. cross the man walking the first train?