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How many of the following numbers are divisible by 9?
1231, 2367, 6462, 5354, 7020, 1341
- a)3
- b)4
- c)5
- d)2
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
How many of the following numbers are divisible by 9? 1231, 2367, 6462...
Concept used
Divisibility of 9: The sum of digits of the number should be divisible by 9
Calculation
1231 = 1 + 2 + 3 + 1 = 7, not divisible by 9.
2367 = 2 + 3 + 6 + 7 = 18,
divisible by 9.
6462 = 6 + 4 + 6 + 2 = 18, divisible by 9.
5354 = 5 + 3 + 5 + 4 = 17, not divisible by 9.
7020 = 7 + 0 + 2 + 0 = 9,
divisible by 9.
1341 = 1 + 3 + 4 + 1 = 9,
divisible by 9.
There are 4 such numbers that are divisible by 9.
Most Upvoted Answer
How many of the following numbers are divisible by 9? 1231, 2367, 6462...
Divisibility by 9
To determine if a number is divisible by 9, we need to check if the sum of its digits is divisible by 9.
Numbers Divisible by 9
- 7020: 7 + 0 + 2 + 0 = 9 (divisible by 9)
- 1341: 1 + 3 + 4 + 1 = 9 (divisible by 9)
- 5354: 5 + 3 + 5 + 4 = 17 (not divisible by 9)
- 6462: 6 + 4 + 6 + 2 = 18 (not divisible by 9)
- 2367: 2 + 3 + 6 + 7 = 18 (not divisible by 9)
- 1231: 1 + 2 + 3 + 1 = 7 (not divisible by 9)
Therefore, out of the given numbers, 4 of them (7020, 1341, 5354, 6462) are not divisible by 9. Hence, the correct answer is option B) 4.
To determine if a number is divisible by 9, we need to check if the sum of its digits is divisible by 9.
Numbers Divisible by 9
- 7020: 7 + 0 + 2 + 0 = 9 (divisible by 9)
- 1341: 1 + 3 + 4 + 1 = 9 (divisible by 9)
- 5354: 5 + 3 + 5 + 4 = 17 (not divisible by 9)
- 6462: 6 + 4 + 6 + 2 = 18 (not divisible by 9)
- 2367: 2 + 3 + 6 + 7 = 18 (not divisible by 9)
- 1231: 1 + 2 + 3 + 1 = 7 (not divisible by 9)
Therefore, out of the given numbers, 4 of them (7020, 1341, 5354, 6462) are not divisible by 9. Hence, the correct answer is option B) 4.
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How many of the following numbers are divisible by 9? 1231, 2367, 6462, 5354, 7020, 1341 a)3b)4c)5d)2Correct answer is option 'B'. Can you explain this answer?
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