4. What is the sum of the first 15 positive odd integers?
A. 220
B.225
C. 256
D. 270
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4. What is the sum of the first 15 positive odd integers?
A. 220
B.225
C. 256
D. 270
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Answer: B.
Step-by-step explanation:
The sum of first 'n' odd numbers is n2. So Here 'n' is 15. So Sum of first 15 odd numbers is 152 = 225