Saved Bookmarks
| 1. |
Find the Mean of three consecutive triangular number.1. 13/32. 10/33. 44. 3/10 |
|
Answer» Correct Answer - Option 2 : 10/3 GIVEN: Triangular number = n(n + 1)/2 where n = 1, 2, 3 FORMULA USED: Mean = sum of all the data/ Total number CALCULATION: When n = 1, 2 , 3 then triangular number = 1, 3 and 6 ⇒ Mean = summation of all the number/Total number ⇒ Mean = (1 + 3 + 6)/3 ∴ Mean = 10/3 |
|