a body was thrown from certain height and it covered the same distance in the first second and the last three second.what was the time taken by the body to reach the ground?

a)3sec

b)7sec

c)5sec

d)9sec

The question came in NTSE exam conducted by NCERT in National level..

The book name is TATA mc Graw hill

I came to know thiss question from my teacher...

listen there are no more information....for fun below:

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financial institutions to disclose the equivalent yearly compounded interest rate on deposits or advances. For instance, the yearly rate for a loan with 1% interest per month is approximately 12.68% per annum (1.0112 − 1). This equivalent yearly rate may be
referred to as annual percentage rate (APR), annual equivalent rate (AER), effective interest rate, effective annual rate, and by other terms. When a fee is cha