Triangle And lts Angles Maths - Triangle And lts Angles

In Fig. $AB$ and $CD$ are parallel lines and transversal $EF$ intersect them at $P$ and $Q$ respectively. If $\angle\text{APR}=25^\circ,\angle\text{RQC}=30^\circ$ and $\angle\text{CQF}=65^\circ,$ then:

• ✓
  $x = 55^\circ , y = 40^\circ$
• B
  $x = 50^\circ , y = 45^\circ$
• C
  $x = 60^\circ , y = 35^\circ$
• D
  $x = 35^\circ , y = 60^\circ$

Answer: A.

In Fig. if $l_1 \| l_2$, the value of $x$ is:

• A
  $22\frac{1}{2}$
• B
  $30$
• ✓
  $45$
• D
  $60$

Answer: C.

• A
  $60^\circ$
• ✓
  $120^\circ$
• C
  $150^\circ$
• D
  $30^\circ$

Answer: B.

In Fig. $x + y =$

• A
  $270^\circ$
• ✓
  $230^\circ$
• C
  $210^\circ$
• D
  $190^\circ$

Answer: B.

• A
  $35^\circ$
• B
  $90^\circ$
• ✓
  $70^\circ$
• D
  $55^\circ$

Answer: C.