Predict the output:

int a=6,b=5;
a += a++ % b++ *a + b++* --b;

Give the output of the snippet:

int a=10,b=12;
if(a==10&&b<=12)
a--;
else
++b;
System.out.println(a + "and" +b);

An Electricity Board charges for electricity per month from their consumers according to the units consumed. The tariff is given below:

Units Consumed	Charges
Up to 200 units	₹3.80/unit
More than 200 units and up to 300 units	₹4.40/unit
More than 300 units and up to 400 units	₹5.10/unit
More than 400 units	₹5.80/unit

Write a program to calculate the electricity bill taking consumer's name and units consumed as inputs. Display the output.

The equivalent resistance of series and parallel connections of two resistances are given by the formula:

(a) R₁ = r₁ + r₂ (Series)

(b) R₂ = (r₁ * r₂) / (r₁ + r₂) (Parallel)

Using a switch case statement, write a program to enter the value of r₁ and r₂. Calculate and display the equivalent resistances accordingly.