Combination of Atleast One Thing from n Things When All Are Not Different
If the digits...
Question
If the digits in the number 25673948 are arranged in ascending order from left to right, what will be the sum of the digits which are fourth from the right and third from the left in the new arrangement?
A
10
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B
9
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C
8
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D
6
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Solution
The correct option is C 10 Given Number : 2 5 6 7 3 9 4 8 Ascending order :2 3 4 5 6 7 8 9 Specified letters are 6 and 4 respectively. ∴ required sum = (4 + 6 =) 10