Question

2 + 4 + 6 +............100 =

• A. 2550
• B. 2505
• C. 2560
• D. 2530

Answer 1

Answer:

A. 2550

ആകെത്തുക=n/2 { 2a+(n-1)d }

= 50/2{2×2+(50–1)×2}

=25×{4+49×2}

=25×202

=2550.