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CBSE Class 10 Answered

A box contains the same cards with the number 4 to 128 . A card is drown at random. Find the probability that the drown card having number 1) Odd number 2) Multiple of 4 and 6 3) Multiple of 4 or 6 4) Neither multiple of 4nor of 6 5) Not divisible by 5
Asked by aswathyachu1571as | 21 Jul, 2022, 11:39: PM
Expert Answer
Total number of cards = 125
 
Total Odd numbers = 62
Probability = 62/125
 
Numbers divisible by 4 and 6 (24) = 5
Probability = 5/125 = 1/25
 
Numbers divisible by 4 or 6 = Numbers divisible by 4 + Numbers divisible by 6 - Numbers divisible by 4 and 6 = 32 + 21 - 5 = 48
Probability = 48/125
 
Neither multiple of 4 or 6 = 125 - 48 = 77
Probability = 77/125
 
Not divisible by 5 = 125 - divisible by 5  = 125 - 25 = 100
Probability = 100/125 = 4/5
Answered by Arun | 27 Jul, 2022, 04:12: PM
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