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Friday, 9 October

JEE Main 2026 · MathsMultiple choiceSingle correctMediumApplication

JEE Main 2 April 2026, Shift 2, Maths Q6

Question 6 of 75 in this shift, Maths question 6 of 25, Section A.

If for 3≤r≤303 \le r \le 30, (30C30−r)+3(30C31−r)+3(30C32−r)+(30C33−r)=mCr\binom{30}{C_{30-r}} + 3\binom{30}{C_{31-r}} + 3\binom{30}{C_{32-r}} + \binom{30}{C_{33-r}} = ^m C_r, then mm equals:
  1. (1)3131
  2. (2)3232
  3. (3)3333Official answer
  4. (4)3434

Official answer

Option 3

NTA final key.