Latest self Aptitude Question SOLUTION: From number 1 to 1666, all 6 replaced by 1 means, How many 1's are there?

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Previous Question: 10=10 -10=-10 1-11=100-110 adding(11/2)^2 1-11+(11/2)^2=100-110+(11/2)^2 (1)^2-2*11/2*1+(11/2)^2=(10)^2-2*11/2*10+(11/2)^2 using identity (a-b)^2=a^2+b^2-2ab (1-11/2)^2=(10-11/2)^2 1-11/2=10-11/2 1=10 it is wrong or right if it is wrong then why? Next Question: 3 persons with odds in favour each are 2:3, 5:1, 5:7. Find the probability that majority of persons is in favour.

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From number 1 to 1666, all 6 replaced by 1 means, How many 1's are there?: Vignesh (12 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Previous Question: 10=10 -10=-10 1-11=100-110 adding(11/2)^2 1-11+(11/2)^2=100-110+(11/2)^2 (1)^2-2*11/2*1+(11/2)^2=(10)^2-2*11/2*10+(11/2)^2 using identity (a-b)^2=a^2+b^2-2ab (1-11/2)^2=(10-11/2)^2 1-11/2=10-11/2 1=10 it is wrong or right if it is wrong then why? Next Question: 3 persons with odds in favour each are 2:3, 5:1, 5:7. Find the probability that majority of persons is in favour.

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