Circle 2 Question 20
21. Match the conditions/expressions in Column I with statement in Column II.
| Column I | Column II |
|---|---|
| A. Two intersecting circles | p. have a common tangent |
| B. Two mutually external circles | q. have a common normal |
| C. Two circles, one strictly inside the other |
r. do not have a common tangent |
| D. Two branches of a hyperbola | s. do not have a common normal |
Analytical & Descriptive Questions
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Answer:
Correct Answer: 21. $A \rightarrow p,q; \quad B \rightarrow p,q; \quad C \rightarrow q,r; \quad D \rightarrow q,r$
Solution:
- (A) When two circles are intersecting they have a common normal and common tangent.
(B) Two mutually external circles have a common normal and common tangent.
(C) When one circle lies inside of other, then they have a common normal but no common tangent.
(D) Two branches of a hyperbola have a common normal but no common tangent.
