Mathematics · 2022
JEE Main · 27 June 2022, Shift 1 · Q24
The number of ways, 16 identical cubes, of which 11 are blue and rest are red, can be placed in a row so that between any two red cubes there should…
The number of ways, $\displaystyle 16$ identical cubes, of which $\displaystyle 11$ are blue and rest are red, can be placed in a row so that between any two red cubes there should be at least $\displaystyle 2$ blue cubes, is \_\_\_\_.
Official answer
56
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JEE Main 2022 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.