✔ Correct Answer: B. 90 Kg
The correct answer to the question “A scale has 90cm and 100cm long arms, if we place 100kg on 90cm what weight should we need to put at 100cm arm to balance the scale?” is 90 Kg. This question belongs to Mathematics. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.
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