All Courses
Get the App Signup / Login
Sign in Open App
Class 9 Exam  >  Class 9 Tests  >  Mathematics Olympiad for Class 9  >  High Order Thinking Skills (HOTs) - 5 - Class 9 MCQ

High Order Thinking Skills (HOTs) - 5 - Class 9 MCQ


Test Description

10 Questions MCQ Test Mathematics Olympiad for Class 9 - High Order Thinking Skills (HOTs) - 5

High Order Thinking Skills (HOTs) - 5 for Class 9 2024 is part of Mathematics Olympiad for Class 9 preparation. The High Order Thinking Skills (HOTs) - 5 questions and answers have been prepared according to the Class 9 exam syllabus.The High Order Thinking Skills (HOTs) - 5 MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for High Order Thinking Skills (HOTs) - 5 below.
Solutions of High Order Thinking Skills (HOTs) - 5 questions in English are available as part of our Mathematics Olympiad for Class 9 for Class 9 & High Order Thinking Skills (HOTs) - 5 solutions in Hindi for Mathematics Olympiad for Class 9 course. Download more important topics, notes, lectures and mock test series for Class 9 Exam by signing up for free. Attempt High Order Thinking Skills (HOTs) - 5 | 10 questions in 15 minutes | Mock test for Class 9 preparation | Free important questions MCQ to study Mathematics Olympiad for Class 9 for Class 9 Exam | Download free PDF with solutions
High Order Thinking Skills (HOTs) - 5 - Question 1
Save

ill in the blanks and select the correct option.

(i) A rectangle has a length of 15 cm and width of 10 cm. If the length is increased by 20% and the width is decreased by 10%, the new area of the rectangle is P cm2.
(ii) A right-angled triangle has legs of lengths 6 cm and 8 cm. The length of the hypotenuse is Q cm.

Detailed Solution for High Order Thinking Skills (HOTs) - 5 - Question 1

(i) New length = 15 cm + 20% of 15 cm = 15 + 3 = 18 cm
New width = 10 cm - 10% of 10 cm = 10 - 1 = 9 cm
New area = 18 cm * 9 cm = 162 cm2 (So, P = 180)
(ii) Hypotenuse = √(62 + 82) = √(36 + 64) = √100 = 10 cm (So, Q = 10)

High Order Thinking Skills (HOTs) - 5 - Question 2
Save

Fill in the blanks and select the correct option.
(i) The sum of the interior angles of a polygon with 10 sides is P degrees.
(ii) The area of a square is 144 cm². The length of its diagonal is Q cm.

Detailed Solution for High Order Thinking Skills (HOTs) - 5 - Question 2

(i) Sum of interior angles of a polygon = (n-2) * 180 = (10-2) * 180 = 1440 degrees (So, P = 1440)
(ii) Side of the square = √144 = 12 cm
Diagonal = Side * √2 = 12 * √2 cm (So, Q = 12√2)

1 Crore+ students have signed up on EduRev. Have you? Download the App
High Order Thinking Skills (HOTs) - 5 - Question 3
Save

Fill in the blanks and select the correct option.
(i) The number of diagonals in a hexagon is P.
(ii) The length of each side of an equilateral triangle with an area of 9√3 cm2 is Q cm.

Detailed Solution for High Order Thinking Skills (HOTs) - 5 - Question 3

(i) Number of diagonals in a polygon = n(n-3)/2 = 6(6-3)/2 = 9 (So, P = 9)
(ii) Area of equilateral triangle = (√3/4) * a2 = 9√3
a2 = 36
a = √36 = 6 cm (So, Q = 6)

High Order Thinking Skills (HOTs) - 5 - Question 4
Save

Fill in the blanks and select the correct option.
(i) The surface area of a sphere with radius 7 cm is P cm2.
(ii) The volume of a cube with side 5 cm is Q cm3.
Detailed Solution for High Order Thinking Skills (HOTs) - 5 - Question 4

(i) Surface area of a sphere = 4πr2 = 4 * π * 72 = 616 cm² (So, P = 616)
(ii) Volume of a cube = side3 = 53 = 125 cm3 (So, Q = 125)

High Order Thinking Skills (HOTs) - 5 - Question 5
Save

Fill in the blanks and select the correct option.
(i) The sum of the first 20 natural numbers is P.
(ii) The sum of the squares of the first 10 natural numbers is Q.
Detailed Solution for High Order Thinking Skills (HOTs) - 5 - Question 5

(i) Sum of first n natural numbers = n(n+1)/2 = 20(21)/2 = 210 (So, P = 210)
(ii) Sum of squares of first n natural numbers = n(n+1)(2n+1)/6 = 10(11)(21)/6 = 385 (So, Q = 385)

High Order Thinking Skills (HOTs) - 5 - Question 6
Save

Fill in the blanks and select the correct option.
(i) The perimeter of a rectangle is 54 cm. If its length is 16 cm, its width is P cm.
(ii) The circumference of a circle with a radius of 7 cm is Q cm.
Detailed Solution for High Order Thinking Skills (HOTs) - 5 - Question 6

(i) Perimeter = 2(l + w)
54 = 2(16 + w)
54 = 32 + 2w
2w = 22
w = 11 cm (So, P = 11)
(ii) Circumference = 2πr = 2 * π * 7 = 44 cm (So, Q = 44)

High Order Thinking Skills (HOTs) - 5 - Question 7
Save

Fill in the blanks and select the correct option.
(i) The value of P if (x - 2)(x - 3) = x2 - Px + 6.
(ii) The value of Q if the mean of the first 5 prime numbers is Q.
Detailed Solution for High Order Thinking Skills (HOTs) - 5 - Question 7

(i) Expanding (x - 2)(x - 3) gives x2 - 5x + 6, so P = 5 (So, P = 5)
(ii) The first 5 prime numbers are 2, 3, 5, 7, 11.
Mean = (2+3+5+7+11)/5 = 28/5 = 5.6 (So, Q = 5.6)

High Order Thinking Skills (HOTs) - 5 - Question 8
Save

Fill in the blanks and select the correct option.
(i) The area of a trapezium with bases 10 cm and 6 cm, and height 5 cm is P cm2.
(ii) The area of a triangle with base 8 cm and height 12 cm is Q cm2.
Detailed Solution for High Order Thinking Skills (HOTs) - 5 - Question 8

(i) Area of a trapezium = 1/2 * (sum of parallel sides) * height
= 1/2 * (10 + 6) * 5 = 40 cm² (So, P = 40)
(ii) Area of a triangle = 1/2 * base * height
= 1/2 * 8 * 12 = 48 cm² (So, Q = 48)

High Order Thinking Skills (HOTs) - 5 - Question 9
Save

Fill in the blanks and select the correct option.
(i) If the quadratic equation x2 - 7x + 10 = 0 has roots α and β, then the value of α + β is P.
(ii) If the arithmetic mean of 8, 10, 12, 14, and 16 is Q.
Detailed Solution for High Order Thinking Skills (HOTs) - 5 - Question 9

(i) Sum of the roots of the quadratic equation ax² + bx + c = 0 is -b/a = 7 (So, P = 7)
(ii) Arithmetic mean = (8 + 10 + 12 + 14 + 16) / 5 = 60 / 5 = 12 (So, Q = 12)

High Order Thinking Skills (HOTs) - 5 - Question 10
Save

Fill in the blanks and select the correct option.
(i) The LCM of 12 and 15 is P.
(ii) The HCF of 24 and 36 is Q.
Detailed Solution for High Order Thinking Skills (HOTs) - 5 - Question 10

(i) LCM of 12 and 15 = 60 (So, P = 60)
(ii) HCF of 24 and 36 = 12 (So, Q = 12)

15 videos|63 docs|45 tests
Join Course
Information about High Order Thinking Skills (HOTs) - 5 Page
In this test you can find the Exam questions for High Order Thinking Skills (HOTs) - 5 solved & explained in the simplest way possible. Besides giving Questions and answers for High Order Thinking Skills (HOTs) - 5, EduRev gives you an ample number of Online tests for practice

Top Courses for Class 9

Download as PDF

Top Courses for Class 9

Important Questions for High Order Thinking Skills (HOTs) - 5

Find all the important questions for High Order Thinking Skills (HOTs) - 5 at EduRev.Get fully prepared for High Order Thinking Skills (HOTs) - 5 with EduRev's comprehensive question bank and test resources. Our platform offers a diverse range of question papers covering various topics within the High Order Thinking Skills (HOTs) - 5 syllabus. Whether you need to review specific subjects or assess your overall readiness, EduRev has you covered. The questions are designed to challenge you and help you gain confidence in tackling the actual exam. Maximize your chances of success by utilizing EduRev's extensive collection of High Order Thinking Skills (HOTs) - 5 resources.

High Order Thinking Skills (HOTs) - 5 MCQs with Answers

Prepare for the High Order Thinking Skills (HOTs) - 5 within the Class 9 exam with comprehensive MCQs and answers at EduRev. Our platform offers a wide range of practice papers, question papers, and mock tests to familiarize you with the exam pattern and syllabus. Access the best books, study materials, and notes curated by toppers to enhance your preparation. Stay updated with the exam date and receive expert preparation tips and paper analysis. Visit EduRev's official website today and access a wealth of videos and coaching resources to excel in your exam.

Online Tests for High Order Thinking Skills (HOTs) - 5 Mathematics Olympiad for Class 9

Practice with a wide array of question papers that follow the exam pattern and syllabus. Our platform offers a user-friendly interface, allowing you to track your progress and identify areas for improvement. Access detailed solutions and explanations for each test to enhance your understanding of concepts. With EduRev's Online Tests, you can build confidence, boost your performance, and ace High Order Thinking Skills (HOTs) - 5 with ease. Join thousands of successful students who have benefited from our trusted online resources.
© EduRev
Education Revolution
Follow Us
Signup to see your scores go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup