Question

a + b = 28 , b + c = 40 , c + a = 32 ആയാൽ, a + b + c എത്ര?

• A. 50
• B. 100
• C. 75
• D. 60

Answer 1

Answer:

A. 50

a + b = 28 , b + c = 40 , c + a = 32 2a + 2b + 2c = 100 a + b + c = 50