Q.
A body travels a distance of 20m in the 7th second and 24 m in 9th second. How much distance shall it travel in the 15th second?
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a
10m
b
16m
c
24m
d
36m
answer is D.
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Detailed Solution
S9−S72=a=42=2m/s2s15=S9+6a=24+6×2=36m
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