the tens digit of a two digit number is two times its ones digit . if the digits are reversed the sum of the orignal number and the number so formed is 66 . find the orignal number.
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tens = 2×units so 4 = 2×2
nos. + reverse nos. = 66
42 + 24 = 66
So number is 42.
nos. + reverse nos. = 66
42 + 24 = 66
So number is 42.
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