UPSC NDA I 2023 General Ability Solved Paper

Question : 51 of 150

Marks: +1, -0

Two identical spring balances S1 and S2 are connected one after the other and are held vertically as shown in the figure. A mass of 10 kg is hanging from S2. If the readings on S1 and S2 are W1 and W2 respectively, then: