1.

A squirrel starts climbing up a tree at the speed of 6 mtr a minute but after every 6 mtr it slips down 4 mtr in the next minute. It will be able to reach the top 120 mtr high in -

A. 20 min
B. 58 min
C. 115 min
D. 90 min
Answer» D. 90 min


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