Question

16) Look at the pattern carefully
1 + 2 = 3
4 + 5 + 6 = 7 + 8
9 + 10 + 11 + 12 = 13 + 14 + 15
− − − − − − − − − − − − − − − − − − − − −−
a) Write the next line of the pattern
b) Write the sequence of numbers in the left end of the lines
c) Write the algebraic form of this sequence of numbers in the left end
d) Which number comes in the left end of 10 th line
e) How many numbers can you see in the 10 th lin

Answer 1

Answer:

a) 16+17+18+19+20=21+22+23+24

d). 21 numbers