Question

The sum of 2+3+4+ …………+ 15 is
(a ) 120 (b )125 ( c ) 119
explain steps​

Answer 1

Answer:

c) 119 is right answer

Step-by-step explanation:

The sum of series is given as sum of natural numbers upto 15 -1

⟹15(16)/2−1

15×8−1

120−1=119 

mark me as a brainlist.

Answer 2

Answer:-

(C) 119

Answer:

(A) 120

(B) 125

(C) 119

Step-by-step explanation:

A The Sum Of 2+3+4+ *106* +5 = 120

B The Sum Of 2+3+4+ *111* = 125

C The Sum Of 2+3+4+ *105* +15 = 119

Simply

Substract 120-2-3-4-5 = _

(What U Get Here Is The Answer)

120-2-3-4-5 = 106

Hope It Helped U :)