Which number among 24963, 24973, 24983 and 24993 is divisible by 7?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 24983.
The divisibility rule of 7: 'The difference between twice the unit digit of the given number and the remaining part of the given number should be a multiple of 7 or it should be equal to 0.”
Calculation
The number '24963' : 2496 - 6 = 2490 it is not divisible by 7 hence, this number is not divisible by 7
The number '24973' : 2497 - 6 = 2491 it is not divisible by 7 hence, this number is not divisible by 7
Number '24983' : 2498 - 6 = 2492 it is divisible by 7
Hence, the number '24983' is divisible by 7