What value will come in place of question mark (?) in the questions given below?

(4425÷25) ×(8.5×16) = ?

$$ \sqrt{749}×0.56+14.38=?$$

What is the sum of all three-digit numbers which are divisible by 20?

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

23 × 45 ÷ 15=?

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

What is the largest four digit number which is also complete?

Of the three numbers, the second is twice the first and it is also thrice the third. If the average of three numbers is 44, the difference of the first number and the third numbers is: 

In an examination, a student was asked to find 3/11 of a certain number, by mistake, he found 3/4 of it. His answer was 315 more than the correct answer. The given number is –