Perfect Squares

Q. What is the largest 4 digit number that is a perfect square?

1. 9999
2. 9801
3. 9998
4. 9997

Q.

What is a palindromic number?

Q. $729$ is a perfect square number, and is a square of .

Q.

Without adding, find the sum.

$\text{1+3+5+7+9+11+13+15+17+19+21+}23$

Q.

What is $x$ squared?

Q. 12321 is a number palindrome .

1. True
2. False

Q. Which among the following is a perfect square?

1. 80
2. 90
3. 100
4. 160

Q.

Which of the following is not a perfect square?

1. $11025$

2. $16384$

3. $18496$

4. $23857$

Q.

State whether the given statement is true or false: 1 is a prime number.

1. True
2. False

Q. Which among the following can never be the units digit of a perfect square number?

1. $4$
2. $9$
3. $7$
4. $6$

Q.

How quickly can you do this? Fill appropriate sign.$(<,=,>)\frac{1}{4}\square \frac{2}{8}$

Q. Which type of number is 72?

1. Prime number
2. Perfect square
3. Composite number
4. (b) and (c) above.

Q. The square of the number 9 is 81, which is an odd number.

1. True
2. False

Q.

Without adding, find the sum: $1+3+5+7+9$

Q. A number ending with which of the following digits could be a perfect square?

1. 2
2. 3
3. 5
4. 7

Q. is a perfect square.

1. $4900$
2. $49000$
3. $490$

Q. Which among the following are the squares of even numbers?

1. $169$
2. $256$
3. $900$
4. $144$

Q. Which of the following options best describes 23?

1. Perfect square
2. Prime number
3. Composite number
4. (a) and (c) above.

Q.

A natural number greater than $1$ is either a prime or has a factor which is prime.

1. True
2. False

Q.

Which of the following numbers are prime ?

$97$

Q.

What is a prime number?

Q. Which of the following options best describes 49?

1. 49 is a prime number
2. 49 is a composite number
3. 49 is an even number
4. None of the above

Q. $\frac{25}{16}$ is not smaller than $\frac{5}{4}$ because

1. $\frac{5}{4}$ is not smaller than 1
2. $\frac{25}{16}$ is not a perfect sqaure
3. $\frac{25}{16}$ and $\frac{5}{4}$ are smaller than 1

Q. How many first odd natural numbers do we need to add together to get the number $81?$

1. $8$
2. $7$
3. $10$
4. $9$

Q. Which of the following options best describes 93?

1. Prime number
2. Composite number
3. Perfect Square
4. (b) and (c) above.

Q. Is it possible for a prime number to form a perfect square?

1. Yes
2. No

Q. Which among the following is NOT a perfect square?

1. $9$
2. $900$
3. $90$

Q. Show that:

ii) $\frac{\sqrt[3]{3-512}}{\sqrt[3]{3343}}=\sqrt[3]{3\frac{-512}{343}}$

Q. Without formal addition, find the sum of $1+3+5+7+9+11+13+15.$

1. $46$
2. $64$
3. $36$
4. $49$

Q. Which of the following options best describes 93?

1. Prime number
2. Composite number
3. Perfect Square
4. (b) and (c) above.