Find the sum of the greatest and the smallest number which may replace k in the number 8130K36 so that the number is divisible by 8.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. 10.
136 ÷ 8 = 17
336 ÷ 8 = 42
536 ÷ 8 = 67
736 ÷ 8 = 92
936 ÷ 8 = 117
The possible values for k are 1, 3, 5, 7, 9. The smallest is 1, the greatest is 9.
Their sum is 1 + 9 = 10.