Question

1
2 3
4 5 6
7 8 9 10
●How many numbers are there in the 9th line?
●What is the last number in the 9th line?
●What is the 1st term in the 11th line?​

Answer 1

Answer:

1. 37, 38, 39, 40, 41, 42, 43, 44 .

2. The last number is 44 .

3. In 11th line the first term 54.

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