Question

find the average of the following series 1 into 2 into 3 into 4 + 2 into 3 into 4 into 5 + 3 into 4 into 5 into 6 + ..... + 11 into 12 into 13 into 14​

Answer 1

Answer:

3 into 4 into 5 into 6 + 1 +11 into