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Maths A Square and a Cube Class 8 (Ganita Prakash) MCQ and Assertion Questions

Question 1 of 10
Question 1 of 10
A rectangle made from unit tiles is 36 tiles long and 100 tiles wide. The same tiles are rearranged into one square. What is the square’s side length?
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Question 2 of 10
A mosaic has 1780 tiles. What is the smallest number of tiles that must be added so that all the tiles form one complete square?
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Question 3 of 10
Assertion (A): The smallest natural number that must multiply 90 to make a perfect square is 10.
Reason (R): In a perfect square, every prime factor has an even exponent.
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Question 4 of 10
How many more unit cubes are needed to build a cube of edge 43 than a cube of edge 42?
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Question 5 of 10
Given that \(54^2=2916\), find \(55^2\) without multiplying \(55\times55\).
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Question 6 of 10
Assertion (A): The square of every even number is even.
Reason (R): It is not true that the smallest natural number that must multiply 90 to make a perfect square is 10.
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Question 7 of 10
Assertion (A): The smallest natural number that must multiply 180 to make a perfect square is 5.
Reason (R): In a perfect square, every prime factor has an even exponent.
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Question 8 of 10
How many natural numbers lie strictly between \(31^2\) and \(32^2\)?
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Question 9 of 10
What is the least natural number that must multiply 1323 to make a perfect cube?
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Question 10 of 10
For a natural number \(n\), the difference \(n^2-(n-1)^2\) is 57. Find \(n\).
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10 Question MCQ (including Assertion) · Class 8 · Maths · CBSE

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Chapter 1 Class 8 - A Square and a Cube (Ganita Prakash) | 10 questions | about 8 minutes

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