A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers 1,2,3,4,5,6,7,8 (see Fig. 15.5), and these are equally likely out comes. What is the probability that it will point at (iv) a number less than 9?

A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers 1,2,3,4,5,6,7,8 (see Fig. 15.5), and these are equally likely out comes. What is the probability that it will point at (ii) an odd number?

A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers 1,2,3,4,5,6,7,8 (see Fig. 15.5), and these are equally likely out comes. What is the probability that it will point at (iii) a number greater than 2?

A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers 1,2,3,4,5,6,7,8 , and these are equally likely out comes. What is the probability that it will point at (i) 8?

Find the mean of the following data 1,2,3,4,5,6,7,8,9 and 10

What is the additive inverse of the matrix [(1,2,3,4,5,6,7),(2,4,6,8,10,12,14)] ?

A piggy bank contains hundred 50p coins, fifty Rs1 coins, twenty Rs2 coins and ten Rs 5coins. If is equally,likely that one of the coins will fall out when the bank is turned upside down, what is the.probability that the coin (i) will be a 50 p coin?

Gopi buys a fish from a shop for his aquarium. The shopheeper takes out one fish at random from a tank containing 5 male fish and 8 female fish (see Fig. 15.4). What is the probability that the fish taken out is a male fish?

What are the mean and median of the data 7,4,1,3,2,5,9,15,12

A piggy bank contains hundred 50p coins, fifty Rs1 coins, twenty Rs2 coins and ten Rs5 coins. If is equally,likely that one of the coins will fall out when the bank is turned upside down, what is the.probability that the coin(ii)will not be a Rs 5 coin

Find the coordinates of the point R(x, y) which divides the line segment joining the points (i) P(-4, 7) and Q (5, -9) in the ratio 3 : 2 internally.