The length of the ribbon was originally 30 cm It was reduced in the ratio 5 3 What is its length now...........

Quantitative Aptitude ( CCS) Ratio, Proportion

The length of the ribbon was originally 30 cm. It was reduced in the ratio 5 : 3. What is its length now?

16cm

18cm

20cm

21cm

Length of ribbon originally = 30 cm

Let the original length be 5x and reduced length be 3x.

But 5x = 30 cm

x = 30/5 cm = 6 cm

Therefore, reduced length = 3 cm

= 3 × 6 cm = 18 cm

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please ellaborate the meaning of reduced length here

wong ques. length of which part is being asked please mention it.

ques irrelevant. pls review it.