Which smallest number should be subtracted from 1000 so that results will be a perfect square? 

A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as the remainder. The number is: 

Direction : What should come in place of the question (?) in the following question.

8934 – 3257 + 481 = ? + 2578

Direction: What is the approximate value will come in place of the question mark(?) in the following questions?
5682 ÷ 63 × 36=? ×19

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

3505 × 69.89 ÷ 102 – 1699=?

Direction : What should come in place of the question (?) in the following question.

8424÷ 135 ×6=?

Divide 32 into two parts such that the sum of the square of the parts is 674 what is the value of the parts?