1.

In A Three Digit Number, The Hundred Digit Is 2 More Than The Tens Digit And The Units Digit Is 2 Less Than The Tens Digit. If The Sum Of The Digits Is 18, Find The Number ?

Answer»

Let the three DIGIT numbers be 100a + 10b + c

a = b + 2

c = b - 2

a + b + c = 3b = 18 => b = 6

So a = 8 and b = 4

Hence the three digit NUMBER is: 864

Let the three digit numbers be 100a + 10b + c

a = b + 2

c = b - 2

a + b + c = 3b = 18 => b = 6

So a = 8 and b = 4

Hence the three digit number is: 864


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