Question

R₁ = 4 Ω, R₂ = R₃ = 6Ω, R₄ = 8Ω, R₅ = R₆ = 12Ω

Answer 1

PARALEL
=1/R1+1/R2+1/R3+1/R4
=1/4+1/6+1/6+1/8
=1/4+1/8+2/6
=3/8+2/6
=17/24

SERI
=R5+PARALEL+R6
=12+17/24+12
=24+17/24
=593/24
=24.7 Hom

Answer 2

Pararel :
1/4+1/6+1/6+1/8 = 24 ohm

seri
R5+R6 = 12+12 = 24 ohm