Testbook Logo
Exams SuperCoaching Test Series Skill Academy
More
English
Hindi
Telugu
Bengali
Marathi
Tamil

Question

Download Solution PDF

The order of rotational symmetry of a square is :

A. 2

B. 6

C. 4

D. 8

This question was previously asked in
NTPC Tier I (Held On: 7 Apr 2016 Shift 3)
Download PDF Attempt Online
View all RRB NTPC Papers >
  1. C
  2. B
  3. A
  4. D

Answer (Detailed Solution Below)

Option 1 : C
Free Tests
View all Free tests >
Free
RRB NTPC Graduate Level Full Test - 01
2.5 Lakh Users
100 Questions 100 Marks 90 Mins
Start Now

Detailed Solution

Download Solution PDF

Calculation:

If we rotate a square ABCD, we'll get the following shapes:

quesImage4066

After the fourth rotation, it will be the same as the first figure

∴ Rotational symmetry is 4

Download Solution PDF
Latest RRB NTPC Updates

Last updated on Jul 22, 2025

-> RRB NTPC Undergraduate Exam 2025 will be conducted from 7th August 2025 to 8th September 2025. 

-> The RRB NTPC UG Admit Card 2025 will be released on 3rd August 2025 at its official website.

-> The RRB NTPC City Intimation Slip 2025 will be available for candidates from 29th July 2025. 

-> Check the Latest RRB NTPC Syllabus 2025 for Undergraduate and Graduate Posts. 

-> The RRB NTPC 2025 Notification was released for a total of 11558 vacancies. A total of 3445 Vacancies have been announced for Undergraduate posts while a total of 8114 vacancies are announced for Graduate-level posts in the Non-Technical Popular Categories (NTPC).

-> Prepare for the exam using RRB NTPC Previous Year Papers.

->  HTET Admit Card 2025 has been released on its official site

More Quadrilaterals Questions

Q1.If the number of diagonals in regular polygon is 44, then the number of sides in the polygon will be ________.
Q2.The ratio of two sides of a parallelogram is 3 : 5 and its perimeter is 96 cm. Find the adjacent side of the parallelogram.  
Q3.ABCD is a cyclic quadrilateral such that ∠B = 112°. The tangents at A and C meet at a point P. What is the measure of ∠APC?  
Q4.If the number of diagonals in a regular polygon is 9, then what is the sum of all the interior angles of the polygon?
Q5.How many diagonals can be drawn in regular polygon with 9 sides?
Q6.A rectangular field has its length and breadth in the ratio of 8 ∶ 7 respectively. A man riding a bicycle, completes one lap of this field along its perimeter at the speed of 28.8 km/hr in 2.5 minutes. What is the area of the field ?
Q7.The lengths of the diagonals of a rhombus are 2a and 2b. Its perimeter is
Q8.Let ABCD be a quadrilateral and AC, BD be diagonals. The length of BD = 20 cm and the heights of the triangles ABD and BCD are, respectively, 6 cm, 8 cm. Find the area of the quadrilateral ABCD (in cm2). 
Q9.Find the area of a rhombus whose diagonals are of lengths 10 cm and 8.2 cm.
Q10.AB is parallel to DC in a trapezium ABCD. It is given that AB > DC and the diagonals AC and BD intersect at O. If AO = 3x − 15, OB = x + 9, OC = x - 5 and OD = 5, and x has two values x1 and x2, then the value of \(\left(x_1^2+x_2^2\right)\) is:

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:
Crack Super Pass Live with
India's Super Teachers
Explore Supercoaching For FREE
Suggested Test Series
View All >
RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2)
2341 Total Tests with 3 Free Tests
Start Free Test
Current Affairs (CA) 2025 Mega Pack for SSC/Railways/State Exam Mock Test
431 Total Tests with   1 Free Tests
Start Free Test
Suggested Exams
Exam-Logo
RRB NTPC

RRB NTPC Important Links

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.  
Exams
Cut Off
Eligibility
Coaching
Previous Year Papers
Syllabus
Test Series
Important Exams
Super Coaching
Testbook USA SAT Exam
Testbook USA ACT Exam
US College Admissions Guide
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
[email protected]
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
Our Apps
Follow us on
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Get Free Access Now
Hot Links： teen patti 50 bonus teen patti gold apk teen patti gold download teen patti master purana