Look at the number pattern given below?
2 , 3
4, 5, 6
7, 8, 9, 10
a.write the next two lines of the pattern
b.how many numbers are there in the 9th line
c. what is the sum of the number in the 10th line?
d.what is the sum of the number in the 10th line.
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Answer:
a. 11, 12, 13, 14, 15
16, 17, 18, 19, 20, 21,
b. 34 or 205 c. 34 or 231. d. same of c