Question 1 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7dcf59b460d7261e7a3.PNG' /> In the above figure, it shows iron rods a, b, c, d,e and f are making a design in a bridge, in which $a \| b, c \| d, e \| f$. What are the marked angles between d and e?

Question 2 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7c9f59b460d7261e789.PNG' /> In the above figure, line l intersects two parallel lines PQ and RS. Then, which one of the following is true?

Question 3 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7b4f59b460d7261e76b.PNG' /> In the above figure, a pair of corresponding angles is -

Question 4 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7c4f59b460d7261e782.PNG' /> In the above figure, lines PQ and ST intersect at O. If $\angle POR = 90 ^ { \circ }$ and x : y = 3 : 2, then z is equal to

Question 5 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7def59b460d7261e7a6.PNG' /> In the above figure, it shows iron rods a, b, c, d,e and f are making a design in a bridge, in which $a \| b, c \| d, e \| f$. What are the marked angles between b and c?

Question 6 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7e2f59b460d7261e7ad.PNG' /> In the above figure, $l||m$ and a line t intersects these lines at P and Q, respectively. Find the sum 2a +b.

Question 7 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7c7f59b460d7261e787.PNG' /> In the above figure, line l intersects two parallel lines PQ and RS. Then, which one of the following is not true?

Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7d4f59b460d7261e799.PNG' /> In the above figure, are the pair of angles adjacent?

Question 9 :
State TRUE or FALSE. Sum of interior angles on the same side of a transversal with two parallel lines is 90°.

Question 10 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7c8f59b460d7261e788.PNG' /> In the above figure, line l intersects two parallel lines PQ and RS. Then, which one of the following is not true?

Question 11 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7e4f59b460d7261e7af.PNG' /> In the above figure, $QP \| RS$. Find the value of b.

Question 12 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7b5f59b460d7261e76c.PNG' /> In the above figure, four line segments PQ, QR, RS and ST are making the letter W, $PQ\|RS$ and $QR\|ST$. If angle between PQ and QR is $39^{\circ}$, what are the values of x and y?

Question 13 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7e6f59b460d7261e7b3.PNG' /> In the above figure, AB∥CD. Find the reflex $\angle E F G .$

Question 14 :
What is the type of other angle of a linear pair if one of its angles is right?

Question 15 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c7cff59b460d7261e791.PNG' /> In the above figure, $l \| m \| n . \angle QPS = 35 ^ { \circ } \text { and } \angle QRT = 55 ^ { \circ } . \text { What is } \angle PQR?$