20. What is the sum of first 15 natural
numbers.
(a ) 325
(b ) 175
(c ) 105
(d) 120
Answers
Answered by
0
Answer:
the answer is
Step-by-step explanation:
The number series 1, 2, 3, 4, . . . . , 14, 15. Therefore, 120 is the sum of positive integers upto 15.
Answered by
0
= 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15
= 120
(d) 120 is the right answer
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