Two customers Priya and Amuthan are visiting a particular shop in the same week (Monday to Saturday). Each is equally likely to visit the shop on any one day as on another day. What is the probability that both will visit the shop on (i) the same day (ii) different days (iii) consecutive days ?

Two customers Sumit and Amit are visiting a particular shop in the same week (Tuesday to Saturday). Each is equally likely to visit the shop on any day as on another day. What is the probability that both will visit the shop on : (i) the same day (ii) different days (iii) consecutive days.

Two customers Shyam and Ekta are visiting a particular shop in the same week (Tuesday to Saturday). Each is equally likely to visit the shop on any day as on another day. What is the probability that both will visit the shop on (i) the same day? (ii) consecutive days? (ii) different days?

Savita and Hamida are friends . What is the probability that both will have the same birth day ? ( ignoring a leap year )

The probability that a teacher will give a surprise test during any class is 1/5. If a student is absent on two day what is the probability that he will miss atleast one test.

Assume that each born child is equally likely to be a boy or a girl. If a family has two childeren what is the conditional probability that both gives both are girls given that i. the youngest is a girl ii. Atleast one is a girl

The probability that a bulb produced by a factory will fuse after 150 days of use is 0. 05. find the probability that out of 5 such bulbs. i. none ii. not more than one iii. more than one iv. atleast one will fuse after 150 days of use.

Fifty seeds were selected at random from each of 5 bags of seeds, and were kept under standardised condition favourable to germination. After 20 days, the number of seeds which had germinated in each collection were conducted and as follows What is the probablity of germination of (i) More than 40 seeds in a bag. (ii) 49 seeds in a bag (iii) More than 35 seeds in a bag

Kannan has a fruit shop. He sells 1 dozen banana at a loss of ₹2 each because it may get rotten next day. What is his loss?

A wound is healing in such a way that t days since Sunday the area of the wound has been decreasing at a rate of (-6)/((t+2)^2) cm^2 per day where 0 lt t le 8 . If on Monday the area of the wound was 1.4 cm^2 (i) What was the area of the wound on Sunday ? (ii) What is the anticipated area of the wound on Thursday if it continues to heal at the same rate ?