The smallest ratio out of 1 : 1, 2 : 1, 1 : 3 and 3 : 1 is:

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RRB Technician Grade III Official Paper (Held On: 28 Dec, 2024 Shift 3)
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  1. 3 : 1
  2. 1 : 3
  3. 2 : 1
  4. 1 : 1

Answer (Detailed Solution Below)

Option 2 : 1 : 3
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Detailed Solution

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Given:

Ratios: 1 : 1, 2 : 1, 1 : 3, 3 : 1

Formula used:

To find the smallest ratio, convert each ratio to a fraction and compare.

Calculations:

1 : 1 = 1

2 : 1 = 2

1 : 3 = 1/3

3 : 1 = 3

Comparing the fractions: 1, 2, 1/3, 3

⇒ The smallest fraction is 1/3

∴ The correct answer is option (2).

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