Multiple choice general knowledge

2^2 + 5^2 + 2x2x5

  1. 59

  2. 35

  3. 49

  4. 69
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Calculate each term: 2^2 = 4, 5^2 = 25, 2 x 2 x 5 = 20. Sum: 4 + 25 + 20 = 49. This is the expansion of (a + b)^2 = a^2 + b^2 + 2ab where a = 2 and b = 5, so (2 + 5)^2 = 49. Option C is correct.

Keep practicing — related questions