The number is 1.
65% of 62 = 65% * 62 = 0.65 * 62 = 40.3
Any non-zero number will go into 65 and 520 if you allow fractions.
90.5% of 68.50828729 = 62
The number 5 goes into both 65 and 130 (65/5 = 13, 130/5 = 26)
13 because it would be 62. the number is 12x5=60 13x5=65-3=62
1, 5, 13, 65.
1
13
1 and 5
1 and 13.
The HCF is 5
62, 65, 69