KEAM 2023 Math Solved Paper

Question : 40 of 120

Marks: +1, -0

A box contains 10 coupons, labelled as 1,2,...10. Three coupons are drawn at random and without replacement. Let X1,X2 and X3 denote the numbers on the coupons. Then the probability that max{X1,X2,X3}<7 is