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Questions  

A car starts from rest and moves with constant acceleration. The ratio of the distance covered in the nth second to that covered in n seconds is

a
2n2 −  1n
b
2n2 +  1n
c
2n  − 1n2
d
2n  + 1n2

detailed solution

Correct option is C

S=12an2Sn=12a(2n−1) Sn=2n−1n2=2n−1n2

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