The value of $\frac{1}{1 + \sqrt{2} } + \frac{1}{ \sqrt{2 } + \sqrt{3} } + \frac{1}{ \sqrt{3} + \sqrt{4} } + \frac{1}{ \sqrt{4} + \sqrt{5} } + \frac{1}{ \sqrt{5} + \sqrt{6} } + \frac{1}{ \sqrt{6} + \sqrt{7} } + \frac{1}{ \sqrt{7} + \sqrt{8} } + \frac{1}{ \sqrt{8} + \sqrt{9} }$ (A)0 (B)1 (C)2 (D)3...

.A train starting from rest attains a velocity of 36 km/h in 2 minutes Assuming that the acceleration is uniform Find the acceleration and Distance travelled by the train for attaining this velocity​

Answers

.A train starting from rest attains a velocity of 36 km/h in 2 minutes Assuming that the acceleration is uniform Find the acceleration and
Distance travelled by the train for attaining this velocity