Direction (Q. 4 - 6) : Study the following information to answer the given questions:
In a certain code ‘ring a bell’ is written as ‘582’, ‘did not ring’ is written as ‘359’ and ‘not a reason’ is written as ‘729’.

Direction (Q. 7 - 10) : Following questions are based on the five three digit numbers given below:
219 742 936 587 853

If all the numbers are arranged in descending order from left to right, which of the following will be the product of the first and the second digits of the number which is exactly in the middle of the new arrangement ?

One is subtracted from the first digit and two is subtracted from third the digit of each of the numbers. What will be the difference between the first digit of the highest number and the third digit of the lowest number ?

If the positions of the first and the third digits of each of the numbers are interchanged, what will be sum of all the digits of the second highest number thus formed ?