A) 110
B) 100
C) 120
D) 130
Correct Answer: A
Solution :
The sum of the first ten even numbers = 2+4+6+......... till 10th term \[=\frac{10}{2}\{2\times 2+(10-1)2\}\] \[=5\{4+18\}\] \[=5\times 22=110\]
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