Question : The number 150328 is divisible by 23. If the digits are rearranged in descending order and five times of 13 is subtracted from the new number thus formed, then the resultant number will be divisible by:
Option 1: 3
Option 2: 5
Option 3: 11
Option 4: 2
Correct Answer: 5
Solution : Here, the number 150328 is divisible by 23. When rearranged in descending order we get = 853210 When 5 times 13 i.e., 65 is subtracted from the new number, we get = 853210 – 65 = 853145 $\therefore$ The resultant number is divisible by 5 since the last digit is 5. Hence, the correct answer is 5.
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