Question

Which number below is more than 15 but less than 16?

O√225
O√247
O √256
O √265

Answer 1

Answer: √247

Explanation:

15^2=225. 16^2=256. n=number

n^2>225 and n^2<256

√225=15.

√247=15.7 ==> 2nd option. 247>225 and 247<256. 15.7>15 and 15.7<16

√256=16

√265=16.3