Question

1 + 2 + 3 + 4 + ... + 50 =

• A. 1000
• B. 5000
• C. 1250
• D. 1275

Answer 1

Answer:

D. 1275

Read Explanation:

ആദ്യത്തെ n എണ്ണൽസംഖ്യകളുടെ തുക = n(n+1)/2 = 50 × [51/2] = 1275

Open explanation in App