Find a four digit number whose digits will be reversed when multiplied by nine?
2178. 2178 x 4 = 8712
192
A two digit number whose two digits added together equal 42 and multiplied together equal 82
The number is 21978. 21978 when multiplied by 4 which gives the result 87912 which is in reverse order.
The number you are looking for is 12. Reversing the digits gives you 21 75% of 12 is 9 12 + 9 = 21
If the number with the digits reversed can have a leading 0 so that it is a 1-digit number, then 16. Otherwise 13.
An eight digit number with one zero cannot remain the same when its digits are reversed. It must have an even number of 0s.
45
Six.
17
2178. 2178 x 4 = 8712
100000 2847239582
2178
The number is 36
47 Impossible problem!
1155
2178 * 4 = 8712