Special Pattern in Palindrome

Q. Find the square of 11111.

1. 123454321
2. 12345654321
3. 12312
4. 121

Q. Square of 100001 is _______.

1. 10002000001
2. 1000020001
3. 10000200001
4. 10000201

Q. Observe the pattern and complete it.
$(11{)}^2=121(101{)}^2=10201(1001{)}^2=1002001(10001{)}^2=\left(\right)$

1. 100020001
2. 10020001
3. 10020001
4. 100201

Q. Is there any easy method to memorise squares up to 25

Q. Square of 1111 will be.

1. 1234321
2. 1234331
3. 1334321

Q.

$(11111111{)}^2$ equals:

1. 123454321

2. 12321

3. 123456787654321

4. 1234567654321

Q.

$(11111111{)}^2$ equals:

1. 1234567654321

2. 12321

3. 123454321

4. 123456787654321

Q.

$(11111111{)}^2$ equals:

1. 123456787654321

2. 123454321

3. 1234567654321

4. 12321

Q. Which of the following is a triangular number?

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

Q.

$(11111111{)}^2$ equals:

1. 123456787654321

2. 123454321

3. 1234567654321

4. 12321