A multiple-choice quiz
by Matthew_07.
Estimated time: 6 mins.

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Quiz Answer Key and Fun Facts

Answer:
**10**

The square root of 1 is 1. Meanwhile, 10 and 100 are the square roots of 100 and 10000 respectively. 10 is not a square number.

Notice that 1, 100, 10000, 1000000... are all square numbers but 10, 1000, 100000 are not.

The square root of 1 is 1. Meanwhile, 10 and 100 are the square roots of 100 and 10000 respectively. 10 is not a square number.

Notice that 1, 100, 10000, 1000000... are all square numbers but 10, 1000, 100000 are not.

Answer:
**There are some square numbers that are also prime numbers.**

According to definition, a prime number is a number that is greater than 1 and has only the number 1 and the number itself as its proper divisor. So, 1 is not a prime number.

A square number cannot be a prime number because its root is one of the factors of the square number itself.

Notice that all square numbers are non-negative. We cannot say that all square numbers are positive because this would exclude the number 0, which is a square number.

According to definition, a prime number is a number that is greater than 1 and has only the number 1 and the number itself as its proper divisor. So, 1 is not a prime number.

A square number cannot be a prime number because its root is one of the factors of the square number itself.

Notice that all square numbers are non-negative. We cannot say that all square numbers are positive because this would exclude the number 0, which is a square number.

Answer:
**64**

Notice that 64 = 8^2 = 4^3.

Notice that 64 = 8^2 = 4^3.

Answer:
**Odd**

For example, the 5th square number is 5^2 = 25, which can also be obtained by adding up the first 5 odd numbers, which is 1 + 3 + 5 + 7 + 9 = 25.

For example, the 5th square number is 5^2 = 25, which can also be obtained by adding up the first 5 odd numbers, which is 1 + 3 + 5 + 7 + 9 = 25.

Answer:
**200**

51^2 - 49^2 = (51 + 49)(51 - 49) = 100 x 2 = 200

51^2 - 49^2 = (51 + 49)(51 - 49) = 100 x 2 = 200

Answer:
**161523333**

All square numbers end in either 0, 1, 4, 5, 6 or 9.

12345^2 = 152399025

19548^2 = 382124304

12223^2 = 149401729

All square numbers end in either 0, 1, 4, 5, 6 or 9.

12345^2 = 152399025

19548^2 = 382124304

12223^2 = 149401729

Answer:
**9025**

To find the square of 95, first write down the last two digits, namely 25. The digits precede 25 is 9 x 10 = 90. So the answer is 9025.

To find the square of 95, first write down the last two digits, namely 25. The digits precede 25 is 9 x 10 = 90. So the answer is 9025.

Answer:
**123454321**

This pattern will continue until 111111111 x 111111111 (nine 1's) = 12345678987654321.

This pattern will continue until 111111111 x 111111111 (nine 1's) = 12345678987654321.

Answer:
**A square number is the sum of two consecutive triangular numbers.**

For example, the sum of the second and third triangular numbers, 3 + 6 = 9 equals to the third square number.

For example, the sum of the second and third triangular numbers, 3 + 6 = 9 equals to the third square number.

Answer:
**Yes **

Yes, it is possible. This is the famous Pythagoras theorem, where a^2 + b^2 = c^2. Some Pythagoras triples are 3,4,5 and 5,12,13.

Yes, it is possible. This is the famous Pythagoras theorem, where a^2 + b^2 = c^2. Some Pythagoras triples are 3,4,5 and 5,12,13.

This quiz was reviewed by FunTrivia editor crisw before going online.

Any errors found in FunTrivia content are routinely corrected through our feedback system.

Related Quizzes

This quiz is part of series
1. **Composite Numbers** Average

2.**Consecutive Numbers** Average

3.**Fibonacci Numbers** Average

4.**Palindromic Numbers** Average

5.**Perfect Numbers** Average

6.**Prime Numbers** Tough

7.**Square Numbers** Average

8.**Triangular Numbers** Average

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Referenced Topics

Science
Vocabulary
Math
Definitions
In Other Words
Specific Math Topics
Theorems
Pythagoras
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