Without calculating, write the percentage of probability of the dart hitting the board in circular region C (i.e. ring C).

Find the probability of the dart hitting the board in the circular region B (i.e. ring B).

What is the probability that a randomly thrown dart hits the square board in shaded region (Take π = (22)/(7) and express in percentage)

Three person A, B and C fire at a target, inturn starting. with A. Their probability of hitting the target are 0.4,0.3 and 0.2 respectively The probability of two hits is

One card is drawn from a well shuffled deck of 52 cards. If each outcomes is equally likely, calculate the probability that the card will be (i) a diamond (ii) not a ace (iii) a black card (i.e., a club or, a spade) (iv) not a diamond (v) not a black card.

A is targeting to B, B and C are targeting to A. Probability of hitting the target by A, B and C are 2/3 , 1/2 and 1/3 , respectively, If A is hit, then find the probability that B hits the target and C does not.

A card is selected from a pack of 52 cards. (a) How many points are there in the sample space? (b) Calculate the probability that the card is an ace of spades. (c ) Calculate the probability that the card is (i) an ace (ii) black card.

A physical quantity x is calculate from x=(ab^(2))/(sqrt(c)). Calculate the percentage error in measuring x when the percentage errors in measuring a,b,c are 4,2 and 3 percent respectively :

If two identical coins are tossed simultaneously. Find (a) the possible outcomes, (b) the number of total outcomes, (c) the probability of getting two heads, (d) probability of getting atleast one head, (e) probability of getting no heads and (f) probability of getting only one head.