🎴 Flashcard Mode

Sainik School Entrance Test - Mathematics

Card1 / 15
Mastered0
Review0
QuestionClick to flip

The sum of the squares of the prime numbers between 20 and 30 is

AnswerClick to flip back
A
1370
💡 Explanation:

Between 20 and 30, there are only two prime numbers 23 and 29.
Therefore, 23 x 23 + 29 x 29 = 529 + 841 = 1370

Change Mode