1+2+3+4+........+99 = কত?
A ৪৬৫০
B ৪৭৫০
C ৪৪৫০
D ৪৯৫০
Solution
Correct Answer: Option D
n(n+1)/2
= 99(99+1)/2
= (99×100)/2
= 4950
= 99(99+1)/2
= (99×100)/2
= 4950
Practice More Questions on Our App!
Download our app for free and access thousands of MCQ questions with detailed solutions