What is the approximate value will come in place of the question mark(?) in the following questions?

If 40% of a number is equal to 3 / 5th of another number, what will be the ratio of the first number and the second number?

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

The smallest number which when divided by 18, 24, 38 and 42 leaves the remainder 15, 21,     35 and 39 respectively is :-

Two number 11284 and 7655, when divided by a certain number of three digits, leaves the same remainder. The sum of digits of such a three - digits number is: 

What should be added to $$ {10 \ over 11} $$ to get the sum $$ {11 \ over 10} $$?

The sum of four consecutive even number is 748.The smallest among them is-

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

3.6 + 36.6 +3.66+0.36+3.0=?