The number is 84.
There is a lot of answer for this, but I tell you one. The answer is 6541.
12
46
415
The number is 84.Assign the digits in the number the letters a and b.GIVEN: a + b = 12GIVEN: a = 2bSolve for b, then solve for a.2b + b = 123b = 12b = 4a = 2(4) = 8
31
50401
81
91 since the ones digit is 8 less than 9 and the two digits, 9+1 = 10, a two-digit number.
2
It is 58.
2,4,6,8,and 0 are divisible by 2 in the ones digit. Zero is only divisible in a number with 2 digits or more. 0 itself is not divisible by 2.
22621, 44742, 66863, 88984
26.
There is a lot of answer for this, but I tell you one. The answer is 6541.
83
12