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JEE MATHEMATICS MCQ: PERMUTATIONS

1 Easy

1 of 1

Application +4 | -1

If

\mathrm{k}

be the number of 3 digit natural numbers, having sum of their digits at least 10 , then find

\frac{k-35}{100}

.

View answer and explanation

Correct option: A

7

Option A (7) is correct because the number of 3-digit numbers with a digit sum of at least 10 is 735, and (735-35)/100 = 7.

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