Question

Extra questions:
1) The distance between Delhi and Lucknow is 495 km.How much time will it a train take to cover this distance, considering the train moves with a constant speed of 99 km/ h?
2) A car moving with an average speed of 50 km/ h starts from city A at 11:00 a.m. when will it reach City be which is 200 km away from A?
3) The mass of 2 litres of ethanol is 1580 g. Calculate the density of ethanol in g/cc .
4) The density of aluminium is 2700 kg/m³. What is the mass of a block of aluminium which occupies a volume of 5 m³?​


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Answer 1

Answer:

1 ). 4 hour 30 minutes

2). 200 kms

3). 0.79

4). 201000000×2700kg=541000kg=54 grams

Explanation:

I hope it will be helpful

Answer 2

Answer:

1. 5 hr
2. 3pm
3. 1.26 g/cc
4. 13.5

Explanation:

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