Question

Write a Java program to check whether a given number is a Q4 number(changed the original name).

Q4 number is a number defined by the following process :

Sum of its digits powered with their respective position is equal to the original number.

For example 135 is a Q4 number :

As 11+32+53 = 135

Some other Q4 numbers are 89, 175, 518 etc.

Input a number:135.

Output: Q4 number

Input a number : 25

Not a Q4 Number
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Answer 1

Answer:

In a combustion reaction in the air , oxygen is the limiting reactant. Statement-2 Oxygen is present in limited amount(only 21%) in the air.