it is a MATHEMATICS QUESTION

 

Three resistors of 2 Ω, 3 Ω and 6 Ω are connected in parallel.
This combination is connected in series with a 4 Ω resistor.
The whole circuit is connected to a 12 V battery.

Find:

1. Total resistance of the circuit
    
2. Total current from the battery
    
3. Current flowing through each of the 2 Ω, 3 Ω and 6 Ω resistors
    
4. Potential difference across the parallel combination