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\(\frac{0.0361-0.0144}{0.07}\) is:

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\(\frac{0.0361-0.0144}{0.07}\) is:
1. 0.19
2. 0.31
3. 0.27
4. 0.23
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Correct Answer - Option 2 : 0.31

Formula used:

a2 – b2 = (a + b)(a – b)

Calculation:

(0.0361 – 0.0144)/0.07

⇒ [(0.19)2 – (0.12)2]/0.07

⇒ [{(0.19) – (0.12)}{(0.19) + (0.12)}]/0.07

⇒ (0.07 × 0.31)/0.07 = 0.31

∴ The answer is 0.31.

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