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number of possible cases = 4
number of correct cases = 1
so probability = required/total no of cases
this is equal to 1/4 26747 views
 2 answers
 1 votes

In Roman numbers, X means 10 and I means 1
XI = 11
IX = 9
when you remove I (i.e. 1) from both of them, it is X which is remaining i.e. 10.This answer accepted by SherlockHolmes. on 13th December 2015 Earned 20 points.
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Total sum of numbers is equal to 4950.
This implies that the sum of numbers in each row should be equal to 990.group 1 = 19 and 9099
group 2 = 1019 and 8089
group 3 = 2029 and 70 to 79
group 4 = 3039 and 6069
group 5 = 4059This answer accepted by SherlockHolmes. on 13th December 2015 Earned 20 points.
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At least one vowel means there may be 1 vowel or 2 vowels or …. 5 vowels
For this question, we consider repetition to be allowedso, (Total number of cases – cases for no vowel) =cases for at least one vowel
Total number of cases = 26*26*26*26 = 456976
csaes for no vowel = 21*21*21*21= 194481cases for at least one vowel are = 456976 – 194481 = 262495
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