Question

find a two digit number divided by 2 such that . (1) the digit at 10 place is half the digit at unit place.​

Answer 1

Answer:

let the two digit number be XiYi,

and given that,Xi=Yi/2,

and given that two digit number is divisible by 2,so that no must be an even number,the probability of unit's digit is 2,4,6,8,0.

then the two digit no which the digit at ten's place is half the digit at unit's place 12,24,36,48 are the possible answers.

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