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Class 3 Exam  >  Class 3 Tests  >  Mathematics Olympiad for Class 3  >  Olympiad Test Level 1: Computing Operations - Class 3 MCQ

Olympiad Test Level 1: Computing Operations - Class 3 MCQ


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20 Questions MCQ Test Mathematics Olympiad for Class 3 - Olympiad Test Level 1: Computing Operations

Olympiad Test Level 1: Computing Operations for Class 3 2025 is part of Mathematics Olympiad for Class 3 preparation. The Olympiad Test Level 1: Computing Operations questions and answers have been prepared according to the Class 3 exam syllabus.The Olympiad Test Level 1: Computing Operations MCQs are made for Class 3 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test Level 1: Computing Operations below.
Solutions of Olympiad Test Level 1: Computing Operations questions in English are available as part of our Mathematics Olympiad for Class 3 for Class 3 & Olympiad Test Level 1: Computing Operations solutions in Hindi for Mathematics Olympiad for Class 3 course. Download more important topics, notes, lectures and mock test series for Class 3 Exam by signing up for free. Attempt Olympiad Test Level 1: Computing Operations | 20 questions in 40 minutes | Mock test for Class 3 preparation | Free important questions MCQ to study Mathematics Olympiad for Class 3 for Class 3 Exam | Download free PDF with solutions
Olympiad Test Level 1: Computing Operations - Question 1
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Find the missing number
165 + 52 + 10 = 52 + ? + 10

Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 1

Given:
165 + 52 + 10 = 52 + ? + 10

Step 1: Simplify the left side of the equation:
165 + 52 + 10 = 227

So, the equation becomes:
227 = 52 + ? + 10

Step 2: Simplify the right side:
52 + 10 = 62

Now, the equation is:
227 = 62 + ?

Step 3: Subtract 62 from both sides to find the missing number:
227 – 62 = ?

? = 165

So, the missing number is 165.

Thus, the correct answer is B) 165.

Olympiad Test Level 1: Computing Operations - Question 2
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Look at the two number sentences shown below :

8 × _ = 40, 40 ÷ 8 = _

Which number goes in both blank spaces to make each number sentence true ?

Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 2

Let's solve both number sentences one by one:

8 × _ = 40

We need to find a number that, when multiplied by 8, gives 40.

8 × 5 = 40

So, the missing number is 5.

40 ÷ 8 = _

We need to find a number that, when 40 is divided by 8, gives the result.

40 ÷ 8 = 5

So, the missing number in both blanks is 5.

Thus, the correct answer is A) 5.

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Olympiad Test Level 1: Computing Operations - Question 3
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The sum of 1,727 and 6,475 is ________.

Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 3

Let's add the numbers:

1,727 + 6,475 = 8,202

So, the sum of 1,727 and 6,475 is 8,202.

The correct answer is B: Eight thousand two hundred and two.

Olympiad Test Level 1: Computing Operations - Question 4
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Simplify: 4 + 14 + 1
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 4

4 + 14 + 1 = 18 + 1 = 19

Olympiad Test Level 1: Computing Operations - Question 5
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Which of the following represents the additive identity property of 0?
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 5

The additive identity property states that adding 0 to any number results in the number itself.

  • This property applies to all numbers, including integers, rational numbers, and complex numbers.
  • For example, 14 + 0 = 14 demonstrates this property.

Therefore, the correct representation of the additive identity property is 14 + 0 = 14.

Olympiad Test Level 1: Computing Operations - Question 6
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Find the missing number in the box.
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 6

? x 5 - 3 + 8 ÷ 2 = 501
? x 5 - 3 + 4 = 501
? x 5 + 1 = 501
? x 5 = 501 - 1
? x 5 = 500
? = 500 ÷ 5
? = 100

Olympiad Test Level 1: Computing Operations - Question 7
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The value of ☺ is 9 times the value of ♥. What will be the value of ☺ - 4, if ♥ + 64 = 123?
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 7

♥ + 64 = 123
♥ = 123 - 64
♥ = 59
Therefore,
the value of ☺ is 9 times the value of ♥.
☺ = 59 x 9 = 531
☺ - 4 = 531 - 4 = 527

Olympiad Test Level 1: Computing Operations - Question 8
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Find the value of A, B and C respectively.
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 8

Olympiad Test Level 1: Computing Operations - Question 9
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If in a class, the number of rows of benches is the same as the number of columns of benches, then what can be the total number of benches in the class?
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 9

Since the number of rows and the number of columns are equal, the best suitable option is 6 x 6.
Number of rows = 6
Number of columns = 6

Olympiad Test Level 1: Computing Operations - Question 10
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In an examination hall, 500 chairs were arranged equally in 10 rows. How many chairs are there in each row?
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 10

To find the number of chairs in each row, you divide the total number of chairs by the number of rows.

  • Total chairs: 500
  • Rows: 10

Calculation:

  • 500 ÷ 10 = 50

Thus, there are 50 chairs in each row.

Olympiad Test Level 1: Computing Operations - Question 11
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Riya has 2456 chocolates and Tanvi has 2365 chocolates. How many more chocolates does Riya have than Tanvi?
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 11

Number of chocolates Riya has = 2456
Number of chocolates Tanvi has = 2365
Number of more chocolates Riya have than Tanvi = 2456 - 2365 = 91

Olympiad Test Level 1: Computing Operations - Question 12
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Which of the following is true?
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 12

To determine which of the statements is true, let's evaluate each one:
Option A: 33 is smaller than 23: This statement is false because 33 is greater than 23.
Option B: 43 is smaller than 33: This statement is false because 43 is greater than 33.
Option C: 23 is greater than 33: This statement is false because 23 is less than 33.
Option D: 43 is greater than 33: This statement is true because 43 is indeed greater than 33.
Thus, the correct answer is D: 43 is greater than 33.

Olympiad Test Level 1: Computing Operations - Question 13
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Garima puts exactly five pins in each box shown below. How many pins has she used in total?
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 13

Number of pins in each box = 5
Number of boxes = 7
Total number of pins= 5 x 7 = 35

Olympiad Test Level 1: Computing Operations - Question 14
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Add the 6,523 + 2,364. Which one of the following numbers is in the hundreds place of the resulting addition ?
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 14

6523 + 2364 = 8887

So, digit 8 is hundreds of places.

Olympiad Test Level 1: Computing Operations - Question 15
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There are 3756 sweets in a bag. If all the sweets are in groups of three, how many groups are there?
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 15

Number of sweets in the bag: 3756

The sweets are divided into groups of 3.

  • Calculate the number of groups: 3756 ÷ 3
  • The result is 1252 groups.
Olympiad Test Level 1: Computing Operations - Question 16
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When we divide 0 by 3, we get _______.
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 16

Solution:

  • Dividing 0 by any number always results in 0.
  • Therefore, 0 ÷ 3 = 0.
Olympiad Test Level 1: Computing Operations - Question 17
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If ♦ + 420 = 620 and 750 - ♠ = 450, find the difference between ♠ and ♦.
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 17

♦ + 420 = 620
♦ = 620 - 420
♦ = 200
750 - ♠ = 450
750 - 450 = ♠
300 = ♠
Therefore,
♠ - ♦ = 300 - 200 = 100

Olympiad Test Level 1: Computing Operations - Question 18
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I am the smallest odd number that comes after 4,386. Add 632 to me. What number am I now ?
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 18

Smallest odd number after 4,386 is 4,387.

4,387 + 632 = 5,019

Olympiad Test Level 1: Computing Operations - Question 19
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Which of the following number sentence describes the given number of ♥?
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 19

Number of hearts in each box = 9
Number of boxes = 3
Total number of hearts = 9 x 3 = 27

Olympiad Test Level 1: Computing Operations - Question 20
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Find the missing digit in the box, if the remainder is equal to 4.
Detailed Solution for Olympiad Test Level 1: Computing Operations - Question 20


Therefore, the missing digit is 7.
Alternative Method:
Dividend = Quotient x Divisor + Remainder
123 = 17 x ? + 4
17 x ? = 123 - 4
17 x ? = 119
? = 119 ÷ 17 = 7

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