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Olympiad Test: Maths Fun - 2 - Class 5 MCQ


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15 Questions MCQ Test GK Olympiad for Class 5 - Olympiad Test: Maths Fun - 2

Olympiad Test: Maths Fun - 2 for Class 5 2024 is part of GK Olympiad for Class 5 preparation. The Olympiad Test: Maths Fun - 2 questions and answers have been prepared according to the Class 5 exam syllabus.The Olympiad Test: Maths Fun - 2 MCQs are made for Class 5 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Maths Fun - 2 below.
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Olympiad Test: Maths Fun - 2 - Question 1

If 2x + 3 = 11, what is the value of x?

Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 1
Subtracting 3 from both sides gives 2x = 8. Dividing both sides by 2 yields x = 4.
Olympiad Test: Maths Fun - 2 - Question 2

If a rectangle has a length of 12 cm and a width of 4 cm, what is its perimeter?

Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 2

Perimeter = 2 * (length + width) = 2 * (12 + 4) = 2 * 16 = 32 cm.

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Olympiad Test: Maths Fun - 2 - Question 3

How many sides does a hexagon have?

Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 3
A hexagon has 6 sides.
Olympiad Test: Maths Fun - 2 - Question 4
What is the value of 6 divided by 1/3?
Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 4
Dividing by a fraction is the same as multiplying by its reciprocal. So, 6 divided by 1/3 is the same as 6 multiplied by 3/1, which equals 18.
Olympiad Test: Maths Fun - 2 - Question 5
What is the value of 10 divided by 1/2?
Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 5
Dividing by a fraction is the same as multiplying by its reciprocal. So, 10 divided by 1/2 is the same as 10 multiplied by 2, which equals 20.
Olympiad Test: Maths Fun - 2 - Question 6
What is the value of 3 cubed?
Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 6
3 cubed (3^3) = 3 * 3 * 3 = 27.
Olympiad Test: Maths Fun - 2 - Question 7
What is the value of 5 squared plus 3 squared?
Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 7
5 squared plus 3 squared (5^2 + 3^2) = 25 + 9 = 34.
Olympiad Test: Maths Fun - 2 - Question 8
If a circle has a diameter of 14 cm, what is its radius?
Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 8
The radius of a circle is half of its diameter, so the radius is 14 cm / 2 = 7 cm.
Olympiad Test: Maths Fun - 2 - Question 9
How many sides does an octagon have?
Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 9
An octagon has 8 sides.
Olympiad Test: Maths Fun - 2 - Question 10
What is the sum of the first 10 positive integers?
Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 10
The sum of the first n positive integers is given by the formula n(n + 1) / 2. So, the sum of the first 10 positive integers is (10 * 11) / 2 = 55.
Olympiad Test: Maths Fun - 2 - Question 11
If a square has an area of 36 sq. cm, what is the length of one side?
Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 11
Area = length * width. Since all sides of a square are equal, length = width. So, if the area is 36 sq. cm, then each side is the square root of 36, which is 6 cm.
Olympiad Test: Maths Fun - 2 - Question 12
What is the next number in the sequence: 2, 6, 12, 20, ___?
Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 12
The sequence is increasing by adding consecutive odd numbers: 1, 3, 5, 7. So, the next number is 20 + 9 = 30.
Olympiad Test: Maths Fun - 2 - Question 13
If 3y + 7 = 25, what is the value of y?
Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 13
Subtracting 7 from both sides gives 3y = 18. Dividing both sides by 3 yields y = 6.
Olympiad Test: Maths Fun - 2 - Question 14

What is the value of 2 cubed plus 4 squared?

Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 14

2 cubed (2^3) is 8, and 4 squared (4^2) is 16. Adding them together gives 8 + 16 = 24.

Olympiad Test: Maths Fun - 2 - Question 15
If a rectangle has a length of 15 cm and a width of 3 cm, what is its area?
Detailed Solution for Olympiad Test: Maths Fun - 2 - Question 15
Area = length * width = 15 cm * 3 cm = 45 sq. cm.
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