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#🏆పోటీ పరీక్షల స్పెషల్ #👩‍💻టెట్/DSC ప్రత్యేకం #📘ఇంటర్ సైన్స్ & మ్యాథ్స్ #jee #EAMCET

$👩‍💻టెట్/DSC ప్రత్యేకం - 1_(2n!) (2n!) 1 1 3) 4) (n!)2 '4" (n !)2 4" 67. Three children are selected at random from group of 6 boys 8 4 girls It is known and that in this group exactly one girl and one boy belong to same parents The probability that the selected group of children have no blood relations, is equal to 1) 11/15 2) 13/15 3) 14/15 4) 2/15 68. A die is thrown. Let A be the event that thel number obtained is greater than 3. Let B be the event that the number obtained is less than 5. Then P(AU B) is 1) 3/5 2) 0 3) 1 4) 2/5 69. There are three engineers, three IAS officers and one both IAS and engineer, a committee of 3 1s at random Thel to be formed = probability that at least one engincer and at least one IAS officer is in the committee 1S 2) 33/35 1) 2/35 چ 4) 3/35 3) 3/7 L are chosen at random Three numbers 70 without replacement from the set of integers 10}. The probability that the {1, 2, 3, minimum of the chosen numbers is 3 or the maximum of the chosen numbers is 7 is 23ua2t0 2) 13/120 11/40 3) 13/60 41 INTEGER TYPE l) coins It is known A bag contains (2n + 71 that n of these have a head on both the sides, whereas the remaining In 1) coins + are fair A coin is picked up at random from and tossed If the probability that bag the the toss results in a head is 3,1/42, then value of n is 1_(2n!) (2n!) 1 1 3) 4) (n!)2 '4" (n !)2 4" 67. Three children are selected at random from group of 6 boys 8 4 girls It is known and that in this group exactly one girl and one boy belong to same parents The probability that the selected group of children have no blood relations, is equal to 1) 11/15 2) 13/15 3) 14/15 4) 2/15 68. A die is thrown. Let A be the event that thel number obtained is greater than 3. Let B be the event that the number obtained is less than 5. Then P(AU B) is 1) 3/5 2) 0 3) 1 4) 2/5 69. There are three engineers, three IAS officers and one both IAS and engineer, a committee of 3 1s at random Thel to be formed = probability that at least one engincer and at least one IAS officer is in the committee 1S 2) 33/35 1) 2/35 چ 4) 3/35 3) 3/7 L are chosen at random Three numbers 70 without replacement from the set of integers 10}. The probability that the {1, 2, 3, minimum of the chosen numbers is 3 or the maximum of the chosen numbers is 7 is 23ua2t0 2) 13/120 11/40 3) 13/60 41 INTEGER TYPE l) coins It is known A bag contains (2n + 71 that n of these have a head on both the sides, whereas the remaining In 1) coins + are fair A coin is picked up at random from and tossed If the probability that bag the the toss results in a head is 3,1/42, then value of n is - ShareChat$