30+31+25 \sqrt {{30 }+ \sqrt {31}+ \sqrt{25}}30+31+25 A5B7C6D8Answer: C. 6 Read Explanation: 30+31+25 \sqrt {{30 }+ \sqrt {31}+ \sqrt{25}}30+31+25=30+31+5=\sqrt {{30 }+ \sqrt {31+5}}=30+31+5=30+36=\sqrt {{30 }+ \sqrt {36}}=30+36=36=\sqrt{36}=36=6=6=6 Read more in App