extra questions Probabilty
Important Questions for Class 10 Maths Chapter 15 Probability Very Short Answer Type Questions [1 Mark] Question 1. Cards marked with number 3,4,5,50 are placed in a box and mixed thoroughly. A card is drawn at random from the box. Find the probability that the selected card bears a perfect square number. Solution: Total possible outcomes when one card is drawn = 48 When the number on drawn card is a perfect square, total favourable cases are 4, 9, 16, 25, 36,49, i.e. = 6 Question 2. A card is drawn at random from a well shuffled pack of 52 playing cards. Find theprobability of getting neither a red card nor a queen. Solution: Number of toal possible outcomes when one card is drawn = 52 Number of favourable outcomes when card is neither red nor queen = 28 Question 3. 20 tickets, on which numbers 1 to 20 are written, are mixed thoroughly and then a ticket is drawn at random out of them. Find the probability that the number on the drawn ticket is a multiple of 3 or 7. Solution: Whe