Question

1. 90 km/hr is equal to : a. 500 m/s b. 25 m/s O c. c. 50 m/s d. 324 m/s 2. If the number 169 x 39 x 9 is written in the form ofn' where is a natural number then 'n' isi​

Answer 1

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Q 1- 90 km/hr is equal to : (a). 500 m/s (b). 25 m/s (c) 50 m/s (d) 324 m/s

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We know that -

1hr=60min=60×60 sec=3600 sec

And 1 km =1000m∴90km=90000m

∴90km/hr=90000/3600=25m/s

So the correct option is (B)

Hey mate i didnt get your second question.Can you please check your question and post again

#Be brainly

I hope it will help you mate (✿◡‿◡)