Question 14 Marks

Priya drew a figure in his notebook. The figure is shown below .

1. Which of the following points are collinear ?
(a) A, B, C$\quad$(b) B, C, D$\quad$(c) E, A, C$\quad$(d) D, E, B
2. Which of the following is a set of concurrent lines ?
(a) $\stackrel{\leftrightarrow}{A B}, \stackrel{\leftrightarrow}{A D}, \stackrel{\leftrightarrow}{D C}$$\quad$(b) $\stackrel{\leftrightarrow}{D E}, \stackrel{\leftrightarrow}{A C}, \stackrel{\leftrightarrow}{D C}$$\quad$(c) $\stackrel{\leftrightarrow}{B C}, \stackrel{\leftrightarrow}{A B}, \stackrel{\leftrightarrow}{A C}$$\quad$(d) $\stackrel{\leftrightarrow}{A B}, \stackrel{\leftrightarrow}{C A}, \stackrel{\leftrightarrow}{D A}$
3. How many lines are concurrent at point D ?
(a) 2$\quad$(b) 3$\quad$(c) 4$\quad$(d) 5
4. Which lines have A as the point of intersection ?
(a) $\stackrel{\leftrightarrow}{A B}, \stackrel{\leftrightarrow}{C A}, \stackrel{\leftrightarrow}{C B}$$\quad$(b) $\stackrel{\leftrightarrow}{C A}, \stackrel{\leftrightarrow}{B A}, \stackrel{\leftrightarrow}{A D}$$\quad$(c) $\stackrel{\leftrightarrow}{D A}, \stackrel{\leftrightarrow}{C B}, \stackrel{\leftrightarrow}{C A}$$\quad$(d) $\stackrel{\leftrightarrow}{A B}, \stackrel{\leftrightarrow}{B C}, \stackrel{\leftrightarrow}{C A}$

Answer

1. C$\quad$2. D$\quad$3. B$\quad$4. B

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