Question

the speed of packet is 75 km per hour how much much can we cover in 4 hour at a same speed​

Answer 1

Answer:

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Step-by-step explanation:

Chlorophyll is any of several related green pigments found in the mesosomes of cyanobacteria and in the chloroplasts of algae and plants. Its name is derived from the Greek words χλωρός, khloros and φύλλον, phyllon. Chlorophyll is essential in photosynthesis, allowing plants to absorb energy from light

Answer 2

Answer:

Correct option is A)

Given train travels 12 minutes with speed 30 km \hr

Then train travels =

60

30

×12=6km

And train travels 8 minutes with speed 45 km\ hr

Then train travels =

60

45

×8=6km

Then train travels distance in 12+8=20 minutes =6+6=12 km

Then average speed =

20

12

×60=36 km \hr

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