१. 1 से 361 तक की समस्तु सम संख्याओं का योगफल क्या होगा?
| (a) 32850 (b) 38250 (c) 35280 (d) 32580
Answers
Answered by
3
Answer:
Formula for sum of n... Is n(n+1)
And even number in 161 is n÷2 then 160÷2 is 180 and
Put value in formals
180(180+1) answer will be option D
Similar questions