Question

22.
The number of two digits numbers whose digit sum is divisible by 6 is
(2) 8
(1) 11
(4) 22
(3) 7​

Answer 1

Answer:

None of the options is correct . The correct answer is 14 .

Step-by-step explanation:

Requirement of the question :—

• To find out the number of two-digit numbers whose digit sum is divisible by 6 .

We need to find :—

• The two digit number which has the highest digit sum . Clearly , the number is 99 and the sum is 18 .
• Numbers from 10 to 99 whose digit sum is a multiple of 6 upto equal to or less than 18 . Therefore , the digit sums should be 6 , 12 or 18 .

Clearly , such numbers are :—

1. 15
2. 24
3. 33
4. 39
5. 42
6. 48
7. 51
8. 57
9. 60
10. 66
11. 75
12. 84
13. 93
14. 99