Zero Coupon Rate

From Coupon Rate Point Of View

Specific Coupon Rate

A bag contains 6 coupons numbered 1, 2, 3, 4, 5 and 6. Five coupons are drawn and the coupons are placed in a row at random. What is the probability that the number read will be divisible by 6?

Fifteen coupons are numbered 1, 2, 3,…, 15 respectively. Seven coupons are selected random one at a time with replacement. The probability that the largest number appearing on the selected coupons is atmost 9, is :

A company showroom gives a discount of 20% on the second grade shoes and a further discount of 15% on shareholder's coupon. The total discount, a coupon holder will get is