If $^{2n}C_{3}:^{n}C_{2}=11:1$ then n=

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If $^{2n}C_{3}:^{n}C_{2}=11:1$ then n=

E

Editor

Sep 18, 2022

If $^{2n}C_{3}:^{n}C_{2}=11:1$ then n=

Difficulty: Easy

A:

10

B:

11

C:

13

D:

1

ID: 63273dbaca83163ac3a1249b