#Pokemon adventures volume 1 sample pdf download
#Pokemon adventures volume 1 sample pdf pdf
The numbers that are multiples of 3 and 4 both are the multiples of 3×4=12 as both 3 and 4 are co-prime.ĭownload all the Class 10 Maths MCQs on Chapter 15 - Probability in PDF format form the link provided below: The numbers that are multiple of 4 (from first 50 natural numbers) are: Then the probability that it is a multiple of 3 and 4 is:Įxplanation: The numbers that are multiple of 3(from first 50 natural numbers) are: A number is selected at random from first 50 natural numbers. Since only two colour marbles are present, and total probability we know of all the events is equal to 1. If a marble is drawn at random from the jar, the probability that it is red is 2/3, then the number of white marbles in the jar is:Įxplanation: Let the number of white marbles be x. Then the probability that x 2 < 2 is?Įxplanation: We have 5 numbers −2,−1,0,1,2ĬBSE Class 10 Science Important Questions for Board Exam 2021 A number x is chosen at random from the numbers -2, -1, 0, 1, 2. Therefore number of ways in which Riya and Kajal may have same birthday are: Then Riya and Kajal may have same birthday on any one of 365 days. Total number of ways in which Riya and Kajal may have their birthday are: Similarly Kajal may have any one of 365days as her birthday. Riya may have any one of 365 days of the year as her birthday. Probability that both will have the same birthday isthe same birthday is: Therefore probability of losing the game is: Then the probability that Aryan will lose the game. three heads or three tails and loses otherwise. Aryan wins if all the tosses give the same result i.e. A game consists of tossing a one rupee coin 3 times and noting its outcome each time. Therefore probability that an odd number will come is:ĬBSE Class 10 Maths Important Questions for Board Exam 2021 A game of chance consists of spinning an arrow which is equally likely to come to rest pointing to one of the number 1,2,3……12 ,then the probability that it will point to an odd number is:Įxplanation: The odd numbers in 1,2,3…….12 are: Therefore, Probability of getting a king of red suit is: Find the probability of getting a king of red suit.Įxplanation: There are total 4 kings in 52 cards, 2 of red colour and 2 of black colour A card is drawn from a well shuffled deck of 52 cards. I.e., there are 7 pairs, in which Monday occurs in 2 pairs, (Sunday, Monday), (Monday, Tuesday), (Tuesday, Wednesday), (Wednesday, Thursday), (Thursday, Friday), (Friday, Saturday), (Saturday, Sunday) I.e., 52 complete weeks which contains 52 Mondays, What is the probability of getting 53 Mondays in a leap year?Įxplanation: With 366 days, the number of weeks in a year is So probability of getting a card with perfect square number is: One card is drawn from this box randomly, then the probability that the number on card is a perfect square.Įxplanation: The perfect square numbers between 2 to 101 are: Cards marked with numbers 2 to 101 are placed in a box and mixed thoroughly. P (non-defective bulb) = 1 – P (Defective bulb)ĬBSE Class 10 Science Important MCQs for Board Exam 2021 Then the probability that it is non-defective bulb is: One bulb is taken out at random from this box. A box of 600 bulbs contains 12 defective bulbs.
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Then total number of balls will be 5 + x. If the probability of drawing a blue ball is double that of a red ball, then the number of blue balls in a bag is:Įxplanation: Let the number of blue balls be x A bag contains 5 red balls and some blue balls.