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On adding the least prime number to the predecessor of a number, we get 24. Find the number.
- a)25
- b)26
- c)22
- d)23
- e)None of these
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
On adding the least prime number to the predecessor of a number, we ge...
let number be X
Least prime number is 2
according to given question 2+x=24
×=24-2
×=22
hence number is 22
Most Upvoted Answer
On adding the least prime number to the predecessor of a number, we ge...
Problem:
On adding the least prime number to the predecessor of a number, we get 24. Find the number.
Solution:
To solve this problem, we need to understand the given information and apply basic mathematical operations to find the answer.
Given:
- We are given that on adding the least prime number to the predecessor of a number, we get 24.
Approach:
Let's assume the number we need to find as 'x'.
1. Determine the predecessor of the number:
- The predecessor of any number 'x' is obtained by subtracting 1 from 'x'. Therefore, the predecessor of 'x' is 'x - 1'.
2. Find the least prime number:
- The least prime number is 2, as it is the smallest positive integer that is only divisible by 1 and itself.
3. Add the least prime number to the predecessor of the number:
- According to the given information, when we add the least prime number (2) to the predecessor of the number (x - 1), we get 24.
- Therefore, the equation can be written as: (x - 1) + 2 = 24.
Solution:
Now, let's solve the equation to find the value of 'x':
(x - 1) + 2 = 24
Simplifying the equation:
x - 1 + 2 = 24
x + 1 = 24
Subtracting 1 from both sides:
x + 1 - 1 = 24 - 1
x = 23
Therefore, the number 'x' is 23.
Answer:
The number is 23, so the correct option is (d) 23.
On adding the least prime number to the predecessor of a number, we get 24. Find the number.
Solution:
To solve this problem, we need to understand the given information and apply basic mathematical operations to find the answer.
Given:
- We are given that on adding the least prime number to the predecessor of a number, we get 24.
Approach:
Let's assume the number we need to find as 'x'.
1. Determine the predecessor of the number:
- The predecessor of any number 'x' is obtained by subtracting 1 from 'x'. Therefore, the predecessor of 'x' is 'x - 1'.
2. Find the least prime number:
- The least prime number is 2, as it is the smallest positive integer that is only divisible by 1 and itself.
3. Add the least prime number to the predecessor of the number:
- According to the given information, when we add the least prime number (2) to the predecessor of the number (x - 1), we get 24.
- Therefore, the equation can be written as: (x - 1) + 2 = 24.
Solution:
Now, let's solve the equation to find the value of 'x':
(x - 1) + 2 = 24
Simplifying the equation:
x - 1 + 2 = 24
x + 1 = 24
Subtracting 1 from both sides:
x + 1 - 1 = 24 - 1
x = 23
Therefore, the number 'x' is 23.
Answer:
The number is 23, so the correct option is (d) 23.
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On adding the least prime number to the predecessor of a number, we ge...
C
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On adding the least prime number to the predecessor of a number, we get 24. Find the number.a)25 b)26c)22d)23e)None of theseCorrect answer is option 'C'. Can you explain this answer?
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