Which Indian cricketer is known as "Brown Bradman"?

Which of the following Pair are not parent and child who have both won the Nobel prize?

Who was the first women nominated member of Rajya Sabha of India?

Who was the first living Indian to feature on a postage stamp of India?

According to the Mahabharata, who was the father of Chitrasena, Vrishasena and Satyasena?

Which is the first or oldest church of the world?

What is the SI unit for the power of lens?

Who is known as father of supercomputing?

Can UE monitor RAR in measurement Gap?

C++: Why static function of a class is not allowed to access non-static data members ?

A and B run a km race. If A gives B a start of 100 m, A wins by 20 sec and if A gives B a start of 50 sec, B wins by 30 m. Then what is the time taken by A to run a km?

It takes A 196.9 seconds to run 1000 m. . We have two races. Race 1 is 1000 meter for A and 900 meter for B. A wins by 20 seconds. Race 2 is 970 meter for A and 1000 meter for B. . t = time (sec), v = speed (m/s), a and b are for A and B. And time = distance / speed . This gives us the following equations: For race 1: t1 = time for B to finish the race t1 - 20 = 1000 / va t1 = 900 / vb Thus: 900 / vb = 1000 / va + 20 . For race 2: t2 = time for B to finish the race (excluding the head start) t2 = 970 / va t2 + 50 = 1000 / vb Thus: 970 / va = 1000 / vb - 50 This can be rewritten to: 900 / vb = 873 / va + 45 . Now we have 900 / vb = 1000 / va + 20 = 873 / va + 45 Rewrite to: 127 / va = 25 => va = 127 / 25 = 5.08 meter/second. vb then is 4.15 m/s . Let's check: Race 1: A runs the 1000 m in 197 seconds. B runs the 900 m in 217 seconds => 20 second difference. Race 2: B runs the 1000 m in 241 seconds. Subtracting the head starts means A runs for 191 seconds. In that time A runs 970 meter and loses by 30 meter.

Lavesh, Bhavesh, and Vignesh race each other in a 100 meters race. All of them run at a constant speed throughout the race.

Lavesh beats Bhavesh by 20 meters. Bhavesh beats Vignesh by 20 meters.

How many meters does Lavesh beat Vignesh by ?