Teachoo Quiz

10 Question MCQ (including Assertion)

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

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Question 1 of 10
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Question 1 of 10
In the 1-to-200 locker experiment, only lockers with square numbers remain open. How many lockers remain open?
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Question 2 of 10
A square frame has outer side 31 cm and uniform width 3 cm. What is the area of the frame?
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Question 3 of 10
The number 12167 is known to be a perfect cube. What is its cube root?
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Question 4 of 10
What is the smallest perfect square divisible by 12, 18 and 30?
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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
Which number has exactly three positive factors?
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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
Find \(\sqrt{7056}\).
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Question 9 of 10
For a natural number \(n\), the difference \(n^2-(n-1)^2\) is 57. Find \(n\).
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Question 10 of 10
A solid cube has edge 7 units. One complete outer layer of unit cubes is removed. How many unit cubes are removed?
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