Question

Average of 12 numbers is 15. If a number 41 is also included, then what will be the average of these 13 numbers?

• A. 16
• B. 18
• C. 19
• D. 17

Answer 1

Answer:

D. 17

Sum of 12 numbers = 15 × 12 = 180 New number 41 is to be added Average of 13 numbers = (Sum of 12 numbers + 13th number)/13 Average = (180 + 41)/13 = 221/13 = 17