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Permutations and Combinations question

2023 · 30 Jan · Shift 2 · Q25
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  5. /2023 · 30 Jan · Shift 2 · Q25

Permutations and Combinations question

2023 · 30 Jan · Shift 2 · Q25

JEE MainMathematicsPermutations and CombinationsMCQ+4 / −1
The number of ways of selecting two numbers aaa and b,a∈{2,4,6,….,100}b, a \in\{2,4,6, \ldots ., 100\}b,a∈{2,4,6,….,100} and b∈{1,3,5,…..,99}b \in\{1,3,5, \ldots . ., 99\}b∈{1,3,5,…..,99} such that 2 is the remainder when a+ba+ba+b is divided by 23 is :
  1. A
    186
  2. B
    54
  3. C
    108
  4. D
    268
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