StreakPeaked· Practice

ExamsJEE MainGeneral

Let sets A and B have 5 elements each. Let the mean of the elements in sets A and B 5 and 8 respectively and the variance of the elements in sets A and B be 12 and 20 respectively. A new set C of 10 elements is formed by subtracting 3 from each element of A and adding 2 to each element of B. Then the sum of the mean and variance of the elements of C is ______ .

  1. 40
  2. 32
  3. 38
  4. 36

Correct answer: 38

Related JEE Main General questions

⚔️ Practice JEE Main General free + battle 1v1 →