Interesting Patterns

Q. How many integers lie between squares of 99 and 100?

1. 201
2. 198
3. 199
4. 200

Q. A perfect square number cannot end with __ at the unit's place.

1. 0
2. 8
3. 6
4. 4

Q. The number of perfect squares between 1 to 100 (both inclusive) is ___.

1. 9
2. 10
3. 8
4. 11

Q. 25, 50, 100, 88: Of these numbers which is not a sum of two squares?

1. 88
2. 25
3. 50
4. 100

Q. The value of ${53}^2$ has 9 in its units place.

1. True
2. False

Q. The value of 45² is

1. 1225
2. 1625
3. 2025
4. 2125

Q. Match the following with the units digits in their squares.

1. 4
2. 6
3. 9
4. 1

Q. If the number in units place is 2, then the number in the units place of its square is 8.

1. True
2. False

Q. Match the following numbers with their squares.

1. 11449
2. 3969
3. 8836
4. 2116

Q. Enter the value of 65².

1. 4225