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· 1 Months ago

instead of 20 minutes

Question:

If a distance of 70m is covered in 1 minute,  that of 120m in 2 minutes and 170 m in 3 minutes, find the distance covered in 20 mintues.  

Options:
A)

610 m

B)

1020 m

C)

810 m

D)

1140 m

Solution:

Ans: (b)


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