Two groups of resistors A and B are connected in series. Group A consists of four resistors of values 2Ω, 4Ω, 6Ω and 8Ω connected in parallel and group B consists of two resistors of values 10Ω and 15Ω in parallel. If the current in the 4Ω resistor is 1.5A, calculate (a) the current in each of the remaining resistors, (b) the supply voltage, (c) the voltage drop across the groups A and B.

Two groups of resistors A and B are connected in series. Group A consists of four resistors of values 2Ω, 4Ω, 6Ω and 8Ω connected in parallel and group B consists of two resistors of values 10Ω and 15Ω in parallel. If the current in the 4Ω resistor is 1.5A, calculate (a) the current in each of the remaining resistors, (b) the supply voltage, (c) the voltage drop across the groups A and B.