The Probability That A Leap Year Will Have Only 52 Sunday Is
Solution: Option (2) 5/7 In a leap year, we have 366 days. So, we have 52 weeks and 2 days.... View Article
Latest Posts
A Fair Coin Is Tossed 100 Times The Probability Of Getting Tails An Odd Number Of Time Is
Solution: Option (1) ½ Let X be the event of getting tails The required probability =P(X=1)+ P(x=3)+…+P(x=99) Using Binomial distribution,... View Article
A Card Is Drawn From A Well Shuffled Pack Of Playing Cards The Probability That It Is A Heart Of A King Is
Solution: Option (1) 1/52 Total number of cards in a deck = 52 Number of heart of king = 1... View Article
4 Boys And 2 Girls Occupy Seats In A Row At Random Then The Probability That The Two Girls
Solution: Option (3) ⅓ The two girls seated together in 2! ways Let E be the event that 4 boys... View Article
A Die Is Rolled Three Times The Probability Of Getting A Larger Number Than The Previous
Solution: Option (2) 5/54 When a die is rolled three times, the number of sample spaces obtained is 216. The... View Article
A Bag Contains 3 White And 5 Black Balls One Ball Is Drawn At Random
Solution: Option (2) ⅜ Total number of balls in a bag = 3+5 = 8 Number of white balls =... View Article
Probability Of Product Of A Perfect Square When 2 Dice Are Thrown Together Is
Solution: Option (1) 2/9 When two dice are thrown, the number of sample spaces obtained is 36. Favourable outcomes =... View Article
Two Decks Of Playing Cards Are Well Shuffled And 26 Cards Are Randomly Distributed To A Player
Solution: Option (4) (226 x 52C26)/104C26 In a deck, we have 52 cards. Therefore, 2 total number of cards in... View Article
An Urn Contains 8 Red And 5 White Balls Three Balls Are Drawn At Random
Solution: Option (4) 10/13 Total number of balls = 8+5 = 13 Favorable outcome= Event of selecting 2 red balls... View Article
Four Fair Dice D1 D2 D3 And D4 Each Having Six Faces Numbered 1 2 3 4 5 And 6 Are Rolled
Solution: Option (1) 91/216 The required probability that the D4 shows a number appearing on one of D1, D2, and... View Article
A Fair Die Is Thrown Twenty Times The Probability That On The Tenth Throw
Solution: Option (3) (84x 56)/620 In the first nine throws, there will be 3 sixes and 1 six in the... View Article
If N Integers Taken At Random Are Multiplied Together Then The Probability That The Last Digit
Solution: Option (1) 2n/5n If the last of the number ends with 1, 3, 7 or 9, none of the... View Article
There Are 7 Horses In A Race Mr X Selected 2 Horses At Random
Solution: Option (4) 2/7 Total number of horses = 7 Thus, the probability that Mr. x selects the winning horse... View Article
In A Class There Are 10 Boys And 8 Girls When 3 Students Are Selected At Random
Solution: Option (1) 35/102 Total number of students in class = 10+8 = 18 The probability of selecting 2 girls... View Article
If Two Cards Are Drawn Simultaneously From The Same Set Then Probability That Atleast One
Solution: Option (2) 1/26 Total number of cards = 52 Total number of ace of heart = 1 Therefore, the... View Article
If Three Squares Are Chosen On A Chess Board The Chance That They Should Be In
Solution: Option (1) 7/744 In a chessboard, we have 64 squares Total Number of outcomes = 64C3 Total Number of... View Article
A Single Letter Is Selected At Random From The Word Probability The Probability That Is A Vowel Is
Solution: Option (2) 4/11 Total number of letters in “PROBABILITY” = 11 Number of vowels = 4 So, we can... View Article
A Six Faced Unbiased Die Is Thrown Twice And The Sum Of The Numbers
Solution: Option (3) ⅓ sum of numbers appearing on the upper face is observed to be 7) ={(1,6),(6,1),(2,5),(2,5),(5,2),(3,4),(4,3)} = 6... View Article
Ram Is Visiting A Friend Ram Knows That His Friend Has 2 Children And 1 Of Them Is A Boy
Solution: option (3) 2/3 Let g represent “a” girl and “b” represent a boy. A family has two children, out... View Article
Three Of Six Vertices Of A Regular Hexagon Are Chosen At Random The Probability That The Triangle
Solution: Option (3) 1/10 The total number of triangle with 6 vertices = 6C3 = 20 Favourable outcome = 2... View Article
