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What should be subtracted from 13 + 21 + 9 to get the successor of 22?
- a)21
- b)20
- c)19
- d)22
- e)None of these
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
What should be subtracted from 13 + 21 + 9 to get the successor of 22?...
To find the number that should be subtracted from 13, 21, and 9 to get the successor of 22, let's break down the problem step by step:
1. Determine the successor of 22:
- The successor of a number is the next number in the natural number sequence.
- In this case, the successor of 22 is 22 + 1 = 23.
2. Calculate the difference between the successor of 22 and each of the given numbers:
- Difference between 23 and 13: 23 - 13 = 10
- Difference between 23 and 21: 23 - 21 = 2
- Difference between 23 and 9: 23 - 9 = 14
3. Identify the number that should be subtracted to get the successor of 22:
- We are looking for a number that, when subtracted from each of the given numbers, yields the same result as the difference between the successor of 22 and each number.
- From the calculations above, we see that the only number that satisfies this condition is 20, as it results in the same difference for all three calculations (10, 2, and 14).
Therefore, the number that should be subtracted from 13, 21, and 9 to get the successor of 22 is 20 (option B).
1. Determine the successor of 22:
- The successor of a number is the next number in the natural number sequence.
- In this case, the successor of 22 is 22 + 1 = 23.
2. Calculate the difference between the successor of 22 and each of the given numbers:
- Difference between 23 and 13: 23 - 13 = 10
- Difference between 23 and 21: 23 - 21 = 2
- Difference between 23 and 9: 23 - 9 = 14
3. Identify the number that should be subtracted to get the successor of 22:
- We are looking for a number that, when subtracted from each of the given numbers, yields the same result as the difference between the successor of 22 and each number.
- From the calculations above, we see that the only number that satisfies this condition is 20, as it results in the same difference for all three calculations (10, 2, and 14).
Therefore, the number that should be subtracted from 13, 21, and 9 to get the successor of 22 is 20 (option B).
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Community Answer
What should be subtracted from 13 + 21 + 9 to get the successor of 22?...
The answer of 13+21+9 is as follows-
13+21+9
=(13+21) +9
=34+9
=43
OR
13+21+9
=13+ (21+9)
=13+30
=43
If we subtract 20 from 43, we get 23 which is the successor of 22. So, Option B is the right answer
13+21+9
=(13+21) +9
=34+9
=43
OR
13+21+9
=13+ (21+9)
=13+30
=43
If we subtract 20 from 43, we get 23 which is the successor of 22. So, Option B is the right answer
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What should be subtracted from 13 + 21 + 9 to get the successor of 22?a)21b)20c)19d)22e)None of theseCorrect answer is option 'B'. Can you explain this answer?
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