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A sector area of 4% is removed from a circular sheet of paper of diameter 50 cm, If the remaining part is used to make a conical surface , then the ratio of radius and height of the-
5Q:
A sector area of 4% is removed from a circular sheet of paper of diameter 50 cm, If the remaining part is used to make a conical surface , then the ratio of radius and height of the-
- 114 : 15false
- 225 : 18false
- 312 : 7false
- 424 : 7true
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