A passenger travels along a straight road for the first half length with a velocity V1 and the second half length with a velocity V2. Then the mean velocity V is given by
`V = (V_1 + V_2) / (2)`
`2 / V = 1 / (V_1) + 1 / (V_2)`
`bar V=V_1V_2`
`bar V+ V_2^2//V_1^2`
why can't the answer be B..as distance covered are same..