Question

1+2+3+4+5........+n= 365. What number is n?

Answer 1

Answer:

answer is 350

Step-by-step explanation:

1 + 2 + 3 + 4 + 5 = 15

365 - 15 = 350

Answer 2

Step-by-step explanation:

= D = B-A

= 2-1

=1

A = 1

An= 365

An= n-1 /2

365= n-1/2

365*2=n-1

730=n-1

730+1=n

731=n

n=731