Direction : What value should come in the place of question mark (?) in the following questions?

$$ \sqrt{8281} =(?) $$

$$ \sqrt{749}×0.56+14.38=?$$

The value of $$ { 32^{0.16}×32^{0.04}}$$ is:

The sum of three numbers is 252. If the first number is thrice the second and third number is two-third of the first, then the second number is

The value of $${3.157×4126×3.198\over63.972×2835.121}$$ is closest to : 

(0.5 ×5 + 0.25 ×0.5 + 0.5 × 4 + 0.5 ×0.75) is equal to-

In a school $${1\over10} $$ of the boys are same in number as $${1\over4}$$ of the girls and  $${5\over8} $$ of the girls are same in number as $${1\over4}$$   of the boys. The ratio of the boys to girls in that school is: 

The product of two consecutive odd numbers is 399. Find the lower of them.