The length of the ribbon was originally 55cm. It was reduced in the ratio 11 : 7. What is its length now?	Options:
A) 6 cm	B) 12 cm	C) 35 cm	D) 44 cm	E) none of these

Rationale: explanation : length of ribbon originally = 55 cm let the original length be 11 x and reduced length be 7 x . but 11 x = 55 cm x = 55 / 11 cm = 5 cm therefore , reduced length = 7 x cm = 7 5 cm = 35 cm answer : c
Answer: C