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RRB Non Technical Model Papers 10 with solutions

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Question : 14 of 100

Marks: +1, -0

16 : 56 :: 32 : ?

96
112
120
128

Solution:

Concept:

In a proportion, the two ratios must be equal.

Explanation:

Simplify the first ratio:

16:56 = \frac{16}{56} = \frac{2}{7}

.

Let the missing term be

x

.

So,

32:x = \frac{32}{x}

.

Since the ratios are equal:

\frac{32}{x} = \frac{2}{7}

.

Cross-multiply:

2x = 32 \times 7

.

2x = 224

.

x = 112

.

Thus,

16:56::32:112

.

Answer:

112

(Option B).

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