Latest NDA Aptitude Question SOLUTION: A fair coin is tossed repeatedly. The probability of getting a result in the fifth toss different from those
obtained in the first four tosses is
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The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?