1.
The sum of three numbers is 2, the 1st number is $$\frac{1}{2}$$ times the 2nd and the 3rd number is $$\frac{1}{4}$$ times the 2nd number. The 2nd number is :

2.
If the product of two positive numbers be 1575 and their ration is 7 : 9, then the greatest number is :

3.
A number when divided by 729 given a remainder of 56. What will we get as remainder if the same number is divided by 27 ?

4.
Sum of two numbers is thrice their difference. Their ratio is :

5.
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 -