Possibility of two digit no whose sum is 13
49,58,67,76,85,94
Now add 27 to each no mentioned above
76,85,94,103,112,121
See after first comma 58 and 85.
Reverse of 58 is 85. That 85 is 27 more than the original no 58. 58 is
11yrs.
192
The answer is 39. 3+9=12, 3x9=27. 12+27=39.
To total 17 the two digits must be 8 and 9! The original number was 98.
Find a four digit number whose digits will be reversed when multiplied by nine?
after 11yrs.
11yrs.
The number is 36
192
17
36
The answer is 39. 3+9=12, 3x9=27. 12+27=39.
To total 17 the two digits must be 8 and 9! The original number was 98.
An eight digit number with one zero cannot remain the same when its digits are reversed. It must have an even number of 0s.
If the number with the digits reversed can have a leading 0 so that it is a 1-digit number, then 16. Otherwise 13.
27
Find a four digit number whose digits will be reversed when multiplied by nine?