Math, asked by parthgame577, 3 months ago

1+2+3+4+5+6+7+8+9+10+11+12+13+14+15

Answers

Answered by varsha7987927

2

Answer:

1+2+3+4+5+6+7+8+9+10+11+12+13+14+15 = 120

Answered by udayadithya123

0

Answer:

90

Step-by-step explanation:

We need to use the formula n(n+1) / 2

n= 15

15(16)/2 = 15(8) = 120

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