Multiple choice

Out of 9 given numbers, the average of the first 5 numbers is 6 and the last 5 numbers is also 6. If the average of all the 9 numbers is 5, then find the fourth number.

  1. 14

  2. 12

  3. 10

  4. 15

  5. 11
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Fourth number = (5 x 6 + 5 x 6 – 5 x 9) = (30 + 30 - 45) = 15 Incorrect option

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