How many such digits are there in the number ‘46315825’ each of which as far…
2025
How many such digits are there in the number ‘46315825’ each of which as far away from the beginning of the numbers as when the digits are rearranged in ascending order ?
- A.
One
- B.
Two
- C.
Three
- D.
Four
Attempted by 3 students.
Show answer & explanation
Correct answer: B
1. Write the original number and observe the position of each digit from left to right: 4 6 3 1 5 8 2 5. 2. Rearrange all the digits of the number in ascending (increasing) order: 1 2 3 4 5 5 6 8. 3. Compare the original sequence with the new sorted sequence to find which digits are in the same position: Original: 4 6 [3] 1 [5] 8 2 5 Ascending: 1 2 [3] 4 [5] 5 6 8 4. We can see that the digits '3' and '5' (a total of two digits) remain in their original positions. Final Answer: Option B