Start learning →

What is the value of the endless expression sqrt(6 + sqrt(6 + sqrt(6 + ...)))?

A2
B6
C4
D3
Answer & Solution
Correct answer: D. 3
Setting x = sqrt(6 + x) gives x squared - x - 6 = 0, so the positive root is x = 3.
Practise this question with Quill — SSC CGL →

Keep practising Square Roots

Browse all Square Roots questions for SSC CGL, or explore more Quantitative Aptitude topics.

Start a Square Roots lesson →
Related questions