Multiple choice

Choose the perfect squares from among the following numbers and find their sum:

15129, 15876, 45677, 23568, 16641

  1. 31005

  2. 47646

  3. 31770

  4. 32517

  5. 55338

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

123 x 123 = 15129

126 x 126 = 15876

129 x 129 = 16641

 
Only 15129, 15876, 16641 are the perfect squares among all the given numbers. Therefore, their sum = 15129 + 15876 + 16641 = 47646.