Math Olympiad 2023-24 Overview
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Questions and Answers

Which of the following numbers is in the International Number System?

  • 12,35,300
  • 1,12,400
  • 3,234,300
  • 4,32,305 (correct)

If the place value of 6 in 5602 is interchanged with the place value of 0 in the number, then the new number will be?

5026

The number 643208 in expanded form will be:

  • 600000+40000+300+20+8
  • 600000+40000+3000+200+8 (correct)
  • 600000+400+3000+200+8
  • 6000+40000+3000+200+8

We have the following numbers: a) 34,500 b) 12,204 c) 13,408 Which of these is nearest to 10,000?

<p>Both (b) and (c) (B)</p> Signup and view all the answers

What largest 5-digit number can be formed using the digits 3, 2, 0, 8, 4?

<p>84320</p> Signup and view all the answers

Preeti has studied Mathematics using the Indian syllabus but her friend Sukhi has learnt using the Roman number system. Preeti wants to let her know the number '732' in the Roman number system. Which of these shows the correct representation of the same?

<p>DCCXXII (B)</p> Signup and view all the answers

The Roman number illustrated in the image is equivalent to?

<p>80 (C)</p> Signup and view all the answers

If we subtract 32 from 70, then what will be the value in Roman number system?

<p>XXXVIII (B)</p> Signup and view all the answers

Which number has no symbol in the Roman number system?

<p>0 (A)</p> Signup and view all the answers

Which of these will be the first number if we arrange them in ascending order? XXII, XVIII, XXX, VII

<p>VII (C)</p> Signup and view all the answers

Flashcards

Roman Number System

A system of writing numbers using letters.

International Number System

A system of writing numbers using place value, where each digit's value depends on its position.

Place Value

The value of a digit in a number based on its position (ones, tens, hundreds, etc.).

Expanded Form

A way to express a number as the sum of its place value components.

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Descending Order

The opposite of ascending order, numbers arranged from largest to smallest.

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Ascending Order

The process of arranging numbers from smallest to largest.

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Square

The number of times a number is multiplied by itself.

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Square

A shape with four equal sides and four right angles.

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Rectangle

A shape with four sides and four right angles, but not all sides are equal.

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Triangle

A shape with three sides and three angles.

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Circle

A shape with no sides or corners, a smooth curve.

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Rhombus

A shape with 4 equal sides and 4 right angles, but not all sides are equal.

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Cone

A three-dimensional shape with a circular base and a curved surface.

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Cube

A three-dimensional shape with six equal square faces.

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Sphere

A three-dimensional shape that is perfectly round.

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Cylinder

A three-dimensional shape with two circular bases and a curved surface.

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Perimeter

The total distance around the outside of a shape.

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Area

The amount of space a two-dimensional shape takes up.

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Bar Graph

A visual representation of data using bars of different heights.

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Pictograph

A visual representation of data using symbols or pictures.

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Line Graph

A visual representation of data using points connected by lines.

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Average

The average of a set of numbers is found by adding all the numbers together and then dividing by the total number of numbers.

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Decimal

A number that represents a part of a whole.

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Sum of Digits

The sum of all the digits in a number.

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Expanded Form (Numbers)

A way to show a number as a combination of thousands, hundreds, tens, and ones.

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Pie Chart

A visual representation of data using circles divided into sections.

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Place Value (Numbers)

The value of a digit in a number based on its position.

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Square (Numbers)

The number of times a number is multiplied by itself.

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Study Notes

Math Olympiad 2023-24 Instructions

  • Before the exam, you have 20 minutes to complete personal information on the OMR sheet.
  • Fill in your name, school code, class, roll number, and mobile number on the OMR sheet.
  • The question paper has four sections: General Math, Reason/Assertion, Case Study, and Achievers Section.
  • Achievers Section questions are worth 2 marks each; others are 1 mark.
  • The total number of questions is 35.
  • All questions require an answer. No failing grades.
  • Use only an HB pencil or a blue/black pen for filling in the OMR sheet.
  • Use the indicated circle for each question.
  • Indicate your response by darkening the relevant circle.
  • Hand in the OMR sheet to the invigilator at the end of the test.
  • Fill in your personal details on the answer sheet before starting.
  • No calculators are allowed.

Math Olympiad 2023-24 Questions (Page 2)

  • Question 1: Select the number from the options given that is in International Number System.
  • Question 2: If the place value of 6 in 5602 is interchanged with the place value of 0 in the number, what's the new number?
  • Question 3: What is the expanded form of 643208?
  • Question 4: Which of the given numbers is closest to 10,000?
  • Question 5: Create the largest possible five-digit number using digits 3, 2, 0, 8, 4.
  • Question 6: Convert 732 from the decimal system to Roman numerals.
  • Question 7: What is the Roman numeral value of LXXX?
  • Question 8: What is 70 - 32 in Roman numerals?
  • Question 9: Which number has no Roman numeral symbol?
  • Question 10: Arrange the numbers XXII, XVIII, XXX, VII in ascending order.

Math Olympiad 2023-24 Questions (Page 3)

  • Question 11: Arrange 140 rose plants in 20 rose plants per row in a square garden. How many rows are needed?
  • Question 12: What number multiplied by 6 equals (50 - 2)?
  • Question 13: Which of the given options has the largest value?
  • Question 14: Find the missing number in the proportion 30:15 :: 60:?
  • Question 15: Which of the given numbers is not divisible by 6?
  • Question 16: Which is the correct net of a pyramid among the given options?
  • Question 17: State the correct statement regarding lines, rays, and line segments.

Math Olympiad 2023-24 Questions (Page 4)

  • Question 18: Match the geometrical shapes and their properties (corners and diagonals).
  • Question 19: Which figure has zero sides? (Square, Triangle, Circle, Rhombus).
  • Question 20: Determine the three-dimensional shape formed by stacking coins.
  • Question 21: Calculate the total distance Arhaan walks around a rectangular park with length 30m and half-length breadth, completing 3 rounds.
  • Question 22: A square garden has each side measuring 70m. The fencing costs Rs.3.50 per meter. Calculate the remaining money if you give Rs. 1000 to the gardener.
  • Question 23: Find the area of cloth required for 40 square patches, each with a side length of 15cm, used in Preeti's dress.
  • Question 24: Find the length EF in a given figure.

Math Olympiad 2023-24 Questions (Page 5)

  • Question 25: Find the perimeter of the given figure.
  • Question 26: Review the pictograph of Delhi's weekly temperature; determine the day with the lowest temperature.

Math Olympiad 2023-24 Questions (Page 6)

  • Question 27: Calculate the average study hours for Aman based on a chart.
  • Question 28: A class survey shows ice cream preferences; determine the difference between students who like Blueberry and Cotton Candy versus those who like Chocolate.

Math Olympiad 2023-24 Questions (Page 7)

  • Question 29: Analyze a vehicle traffic violation report; determine the difference between the number of Challan's issued to truck and bus drivers.
  • Question 30: Identify the class with the least number of absentees, considering the given attendance chart for Monday.
  • Question 31: In a decimal number, the 10th digit is 2, hundredths digit is 5, and the tens digit is 3 more than the units digit. What is the number if the tens digit is 4?
  • Question 32: Simplify the expression 14.28 + 31.29 + 31.05 - 25.64 - 2.80

Math Olympiad 2023-24 Questions (Page 8)

  • Question 33: Determine which of the given numbers is the greatest.
  • Question 34: Calculate the return amount if Priya purchased a pizza for Rs. 124.90 and paid Rs. 200.
  • Question 35: Calculate the total money Kirti has if she starts with Rs. 14.50, receives Rs. 22.35 from Priyank, and receives Rs. 12 from Sheetal. Round the final amount to a whole number.

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Prepare for the Math Olympiad 2023-24 with this comprehensive quiz overview. It covers important instructions, question types, and evaluation criteria, ensuring you understand the exam structure. Familiarize yourself with the requirements before the test day.

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