In a long jump competition, Ajay jumped 3 m 40 cm. Vijay jumped 45 cm less than Ajay’s jump. What is the length of Vijay’s jump?
The distance (in feet) jumped by an athlete in a long jump competition are given as : 6.45 , 7.01 , 6.78 , 6.82 , 6.64 , 6.5
What is the mean distance he jumped?