JEE Main Maths · Permutations and Combinations

Permutations of Distinct Objects

Permutations of Distinct Objects (Permutations and Combinations) was asked once in the 42 JEE Main shifts Lumi analysed, in 2022. 1 of the 1 had a numerical answer.

Times asked: 1; in 1 shift
Years: 2022
Usual format: Numerical value; Multi-step
Pattern: Occasional; asked once so far

How it is asked

Count permutations with consecutive condition

Difficulty

Easy 0Medium 1Hard 0

Where it sits

Chapter: Permutations and Combinations. Topic: Permutations and Combinations, 50 questions over 22 ideas.

The question

Newest first, each with its options and official answer.

29 Jun 2022, Shift 1 · Q30Let $b_1b_2b_3b_4$ be a 4-element permutation with $b_i \in \{1, 2, 3, \ldots\ldots, 100\}$ for $1 \le i \le 4$ and $b_i \ne b_j$ for…MediumNumerical value