
Six books are randomly given to two girls so that each receives at least one book. Are both girls more likely to receive an odd number or an even number of books. Give a reason for your answer.

Important Questions on Cross-Topic Review Exercise 2

Four discs in two colours and in four sizes are placed in any order on either of two sticks. The following illustration shows one possible arrangement of the four discs.
Find the number of ways in which the four discs can be arranged so that they are all on the same stick.

Four discs in two colours and in four sizes are placed in any order on either of two sticks. The following illustration shows one possible arrangement of the four discs.
Find the number of ways in which the four discs can be arranged so that there are two discs on each stick.

Four dises in two colours and in four sizes are placed in any order on either of two sticks. The following illustration shows one possible arrangement of the four discs.
In how many ways can the discs be placed if there are no restrictions?

A fair triangular spinner with sides numbered and is spun three times and the numbers that it comes to rest on are written down from left to right to form a three-digit number. How many possible three-digit numbers are there.

A fair triangular spinner with sides numbered and is spun three times and the numbers that it comes to rest on are written down from left to right to form a three-digit number.
Find the probability that the three-digit number is even

A fair triangular spinner with sides numbered and is spun three times and the numbers that it comes to rest on are written down from left to right to form a three-digit number.
Find the probability that the three-digit number is odd and greater than

