Three persons, A, B, and C, took part in a 2000 m race. To reach the finish line at the same time, A can give to B a start of 500 m and to C a start of 300 m. How many metres of start can C give to B in a 3400 m race?

In a 1 km race, P, Q, and R are the three participants. P can give Q and R a head start of 240 m and 259 m, respectively. How much of a head start can Q allow R?

In a 200 m linear race, Amit beats Ankur by 40 m and Ankur beats Saroj by 20 m. If Amit and Saroj run a 600 m race, by what distance (in metres) will Amit beat Saroj?