Advertisements
Advertisements
Question
A child’s game has 8 triangles of which 3 are blue and rest are red and 10 squares of which 6 are blue and rest are red. One piece is lost at random. Find the probability that it is a square
Solution
Total number of figures
n(S) = 8 triangles + 10 squares = 18
P(lost piece is a square) = `10/18 = 5/9`
APPEARS IN
RELATED QUESTIONS
A die is thrown once. Find the probability of getting the number 5.
A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears a perfect square number.
A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears a number divisible by 5.
A card is drawn at random from a well-shuffled deck of 52 cards. Find the probability of getting a queen.
One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting a red face card.
Cards bearing numbers 1, 3, 5, .... , 35 are kept in a bag. A card is drawn at random from the bag. Find the probability of getting a card bearing a prime number less than 15,
Find the probability that a leap year selected at random will contain 53 Sundays.
There are 20 tickets numbered as 1, 2, 3,..., 20 respectively. One ticket is drawn at random. What is the probability that the number on the ticket drawn is a multiple of 5?
A child’s game has 8 triangles of which 3 are blue and rest are red and 10 squares of which 6 are blue and rest are red. One piece is lost at random. Find the probability that it is a triangle
A box contains 20 discs which are numbered from 1 to 20. If one disc is drawn at random from the box, then find the probability that the number the drawn disc is a number less than 10.
