Find equivalent resistance between two terminals

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Altairs
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Homework Statement


Find the equivalent resistance between the two terminals :-


Homework Equations



Totally confused.

The Attempt at a Solution



Totally confused here as well...
 
Attachments
  • Circuit schematic with resistors R6 (5R) and R7 (10R) on the outer branches, R5 (60R) in a middle vertical branch, and R3 (10R), R1 (30R), R4 (30R), R2 (10R) forming a bridge-like network on the right.
    circuit1.JPG
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Altairs said:

Homework Statement


Find the equivalent resistance between the two terminals :-


Homework Equations



Totally confused.

The Attempt at a Solution



Totally confused here as well...
R1 and R3 are in parallel. The same for R2 and R4.
Start calculating those associations and proceed backwards.