sum of the digits of two digit number is one fourth of the number itself. how many such two digit numbers exists?
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- let tenth number=x
2.let ones number =y According to question. x+y=1÷4×10X +y. 10x+y=4(x+y). 10x-4x=4y-y. 6x=3y. 2x=y. number=10x+2x= 12x. 12, 24,36 and 48 is number Answer complete
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