CTET Paper I (Classes I to V) Sep 2014 Solved Paper

Concept:Unit conversion and decimal representation must be accurate. Identify the option with an incorrect conversion or value.Explanation:Option A: 1 mm = 1/10 cm, so it is correct.Option B: 1 kg 12 g = 1 kg + 0.012 kg = 1.012 kg, so it is correct.Option C: 10 m 10 cm = 1000 cm + 10 cm = 1010 cm, so it is correct.Option D: $\frac{23}{100} = 0.23$, but the option says 2.30, which is incorrect.Answer:D