20 kg -500 g -200 mg -11-5 kg - gA- 32000-2 gB- 28000 gC- 30000 gD- 31000-4 g

The correct option is A 32000.2 g1 kg = 1000 g 20 kg = 20 × 1000 g= 20000 g 11.5 kg = 11.5×1000 g = 11500 g Now, 1 g = 1000 mg. ⇒ 1 mg = 1/1000 g ⇒ 200 ...

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Standard VI

Mathematics

Operations on Measurements

20 kg +500 g ...

Question

20 kg + 500 g + 200 mg + 11.5 kg = ___ g

32000.2 g

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28000 g

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30000 g

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31000.4 g

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Solution

The correct option is A 32000.2 g
$1 kg = 1000 g 20 kg = 20 \times 1000 g = 20000 g 11.5 kg = 11.5 \times 1000 g = 11500 g$

$Now, 1 g = 1000 mg . \Rightarrow 1 mg = \frac{1}{1000} g \Rightarrow 200 mg = 200 \times \frac{1}{1000} g = 0.2 g \begin{matrix} grams 20000.000 500.000 0.200 + 11500.000 - ------------- - 32000.200 \end{matrix} = 32000.2 g$

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20 kg + 500 g + 200 mg + 11.5 kg = ___ g

The correct option is A 32000.2 g 1 kg=1000 g 20 kg=20×1000 g=20000 g11.5 kg=11.5×1000 g=11500 g Now, 1 g=1000 mg. ⇒1 mg=11000 g⇒200 mg=200×11000 g=0.2 g grams20000.000500.0000.200+11500.000–––––––––––––––32000.200 =32000.2 g