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Permutations — Maths STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 ScienceMathsPermutations2 Marks
Question
Twelve students complete in a race. In how many ways first three prizes be given?
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Answer

Clearly, the total number of ways to select first three prizes is equal to the 3 students from 12 students.
$\therefore$ Number of ways to select the three prizes
= 12 × 11 × 10
= 1320

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