English
Hindi

Question

Download Solution PDF

In the given diagram, lines AB and CD are parallel. What is the angle θ ?

This question was previously asked in
CSIR-UGC (NET) Life Science: Held on (6 June 2023 Shift 2)
Download PDF Attempt in App
View all CSIR NET Papers >
  1. 45°
  2. 60°
  3. 65°
  4. 70°

Answer (Detailed Solution Below)

Option 3 : 65°
Free Tests
View all Free tests >
Free
Seating Arrangement
10 Qs. 20 Marks 15 Mins
Start Now

Detailed Solution

Download Solution PDF

Given :- AB and CD are parallel.

Concept used :- We will use the angle sum property.

Solution :-   {Alternate exterior angle}

 {Alternate interior angles}

 {Vertically opposite angle}

Hence, using angle sum property

Download Solution PDF
Latest CSIR NET Updates

Last updated on Jul 8, 2025

-> The CSIR NET June 2025 Exam Schedule has been released on its official website.The exam will be held on 28th July 2025.

-> The CSIR UGC NET is conducted in five subjects -Chemical Sciences, Earth Sciences, Life Sciences, Mathematical Sciences, and Physical Sciences. 

-> Postgraduates in the relevant streams can apply for this exam.

-> Candidates must download and practice questions from the CSIR NET Previous year papers. Attempting the CSIR NET mock tests are also very helpful in preparation.

‹‹ Previous Ques
Next Ques ››
Exams Tests Super Practice

More Lines and Angles Questions

Q1.In the given figure if PQ || RS, then the value of x is -
Q2.In the figure given below, two lines I and n are parallel and lines a and b and transversals. The value of ∠x will be:
Q3.The measures of the three angles of a triangle are such that the smallest angle measures 42º less than the greatest angle, while the measure of the remaining angle is 24º more than the measure of the smallest angle. Find the measure of the smallest angle of the triangle.
Q4.Of the three angles of a triangle, one is twice the smallest and another one is thrice the smallest. Find the value of the smallest angle. 
Q5.If the angles of a triangle are in the ratio of 9 ∶ 11 ∶ 16, then the difference between the greatest angle and the smallest angle is:
Q6.Two parallel lines are intersected by a transversal and the two interior angles so formed on the same side of the transversal are (2x + 15°) and (3x - 20°). Then, the value of (4x + 6°) is:
Q7.Two angles of a triangle are 50° and 30°. Then, the third angle of the triangle is :
Q8. In the given figure, O is the centre of the circle and OA = CD. What is the measure of ∠CPD ?
Q9. In the given figure, PS bisects ∠P Arrange PQ, QS and SR in ascending order of their length. 

More Geometry Questions

Q1.The sum of angles of a linear pair is -
Q2.In the given figure if PQ || RS, then the value of x is -
Q3.In the adjoining figure if AB || CD then the value of x is -
Q4.In ∆LMN, medians MX and NY are perpendicular to each other and intersect at Z. If MX = 20 cm and NY = 30 cm, what is the area of ∆LMN (in cm2)?
Q5.The distance of a point P (a, b) from origin is ______.
Q6.The shortest distance of a point p (2, 3) from X axis is ______
Q7.P, Q, R and S are four points on a circle. PR and QS intersect at a point X such that ∠QXR = 120° and ∠XRS = 10°. The measure of ∠QPR is:
Q8.Two circles of radii 13 cm and 12 cm are concentric. Calculate the length of the chord of the outer circle which touches the inner.
Q9.In the following figure, O is the centre of the circle. If OP = 5 cm and radius of the circle is 3 cm, find the length of the tangent PT.
Q10.If a chord of a circle of radius 11 cm is a tangent to another circle of radius 7 cm, both the circles being concentric, then the length of the chord is:

More Quantitative Aptitude Questions

Q1.Perimeter of a rectangular field is equal to the perimeter of a triangular field whose sides are in the ratio 3:2:4 respectively. lf area of rectangular field is 500 m2 and sides are in the ratio 5:4 respectively, then calculate the longer side of the triangular field.
Q2.A cistern has an inlet pipe and an outlet pipe. Inlet pipe can fill three-fourth of the cistern in 24 minutes while outlet pipe can empty the one-third filled cistern in 16 minutes. If both the pipes are opened together, then the cistern will be completely filled in-
Q3.In a family, three sons were born for every 3 years one after the other. If the ratio of present ages of father and the eldest son is 15:7 and the average of the present ages of the 3 sons is 18 years. What will be the ratio of the ages of the father and the youngest son after 5 years?
Q4.Train A of length 80m while moving crosses a pole in 16 seconds. lf it is known that the lengths of train B and train A is in the ratio of 3:1, then how long would it take train B to cross a platform which is half the length of train A if the speed of train B is same as that of train A?
Q5.Can A and Can B contain a mixture of soda and water in the ratio of 5 : 3 and 7 : 2 respectively If soda and water are taken out in the ratio of P : Q from can A and B respectively to form a new mixture in which the ratio of soda and water is 12 : 5 respectively, then find the value Of P:Q?
Q6.A boat can covers a certain distance in upstream and same distance in downstream in total of 7 hours 48 minutes, If upstream speed of the boat is 62.5%. of downstream speed of the boat and speed of the stream is 3 km/h, what is the total distance covered by the boat?
Q7.M and R went for shopping and bought two sarees each at different cost. Cost price of saree bought by R is Rs.250 more than the cost price of saree bought by M. Shopkeeper earned a profit of 20% on selling both the sarees together to R and M which he bought them at total Rs.6000. At what cost did M buy saree?
Q8.There are three numbers m, n, and p, such that sum of m and n is 144, sum of thrice of n and five times of p is 464, and sum of p and m is 160, then what is the value of p?
Q9.While calculating average marks of 60 students, the two digits of original marks of a student are written reversed and thereby average of marks is increased by 0.6 Find the difference between the two digits of marks of the student?  
Q10.Simple interest received on a certain sum at a rate of simple interest of 5% for 2 years is Rs.780. If the rate of interest remains same, what will be the total amount at the time of withdrawal at the end of 5 years.  
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
support@testbook.com
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Hot Links： all teen patti game teen patti gold download apk teen patti all game teen patti stars