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1

### JEE Advanced 2013 Paper 2 Offline

MCQ (More than One Correct Answer)
In a triangle $$PQR$$, $$P$$ is the largest angle and $$\cos P = {1 \over 3}$$. Further the incircle of the triangle touches the sides $$PQ$$, $$QR$$ and $$RP$$ at $$N,L$$ and $$M$$ respectively, such that the lengths of $$PN, QL$$ and $$RM$$ are consecutive even integers. Then possible length(s) of the side(s) of the triangle is (are)
A
$$16$$
B
$$18$$
C
$$24$$
D
$$22$$
2

### IIT-JEE 2006

MCQ (More than One Correct Answer)
In $$\Delta ABC$$, internal angle bisector of $$\angle A$$ meets side $$BC$$ in $$D$$. $$DE \bot AD$$ meets $$AC$$ in $$E$$ and $$AB$$ in $$F$$. Then
A
$$AE$$ is $$HM$$ of $$b$$ and $$c$$
B
$$AD$$ $$= {{2bc} \over {b + c}}\cos {A \over 2}$$
C
$$EF$$ $$= {{4bc} \over {b + c}}\sin {A \over 2}$$
D
$$\Delta AEF$$ is isosceles
3

### IIT-JEE 1987

MCQ (More than One Correct Answer)
In a triangle, the lengths of the two larger sides are $$10$$ and $$9$$, respectively. If the angles are in $$AP$$. Then the length of the third side can be
A
$$5 - \sqrt 6$$
B
$$3\sqrt 3$$
C
$$5$$
D
$$5 + \sqrt 6$$
4

### IIT-JEE 1986

MCQ (More than One Correct Answer)
There exists a triangle $$ABC$$ satisfying the conditions
A
$$b\sin A = a,A < \pi /2$$
B
$$b\sin A > a,A > \pi /2$$
C
$$b\sin A > a,A < \pi /2$$
D
$$b\sin A < a,A < \pi /2,b > a$$

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Class 12