Question

$\sqrt {{30 }+ \sqrt {{31}+\sqrt{25}}}$

• A. 4
• B. 5
• C. 6
• D. 7

Answer 1

Answer:

C. 6

$\sqrt{30+\sqrt{31+\sqrt25}}$

$=\sqrt{30+\sqrt{31+5}}$

$=\sqrt{30+6}$

$=\sqrt36$

$=6$