Tanmay has a head which is 120 cm long it is to 1 by 20 of the length of Blue Ribbon green Ribbon is 3 by 5 of the total length of Red and Blue Ribbon what is the length of the green ribbon
Answers
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Correct Question :- Tanmay has a red ribbon, which is 120 cm long. It is 12/20 of length of blue ribbon . Green ribbon is 3/5 of total length of red and blue ribbon. What is the the length of green ribbon ?
A) 128 cm B) 144 cm C) 192 cm D) 120 cm .
Solution :-
→ Length of red ribbon = 120 cm
now,
→ Length of red ribbon = (12/20) of Length of blue ribbon
→ 120 cm = (12/20) of Length of blue ribbon
→ Length of blue ribbon = 120 × (20/12)
→ Length of blue ribbon = 200 cm
So,
→ Total length of red and blue ribbon = 120 + 200 = 320 cm
then,
→ Length of green ribbon = (3/5) of Total length of red and blue ribbon
→ Length of green ribbon = (3/5) of 320
→ Length of green ribbon = (3/5) × 320
→ Length of green ribbon = 3 × 64
→ Length of green ribbon = 192 cm (Ans) .
Therefore, the Length of green ribbon is equal to (C) 192 cm .
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