Question 5 of 22intermediate🔧 ApplyShort Answer2 marks
List down all numbers which when added to their reverse give i) 55 ii) 88
(i)
List down all numbers which when added to their reverse give 55.
Answer
14, 23, 32, 41, 50 (and their reverses 41, 32, 23, 14, 5 give the same sum).
(ii)
List down all numbers which when added to their reverse give 88.
Answer
17, 26, 35, 44, 53, 62, 71, 80 (and their reverses).
Explanation
(i) For sum 55, digit sum = 55÷11 = 5. Numbers with digits adding to 5: 14, 23, 32, 41, 50. (ii) For sum 88, digit sum = 88÷11 = 8. Numbers with digits adding to 8: 17, 26, 35, 44, 53, 62, 71, 80.