Q4 of 67 Page 82

Write 3-digit numbers ending with 0, 1, 4, 5, 6, 9, one for each

digit, but none of them is a perfect square.

3-digit numbers ending with 0, 1, 4, 5, 6, 9, are 110, 111, 114, 115, 116, 119.


There are many other numbers too, satisfying the conditions mentioned.


More from this chapter

All 67 →
2

Identify the perfect squares among the following numbers:

1, 2, 3, 8, 36, 49, 65, 67, 71, 81, 169, 625, 125, 900, 100, 1000, 100000.

 3

Make a list of all perfect squares from 1 to 500.

 5

Find numbers from 100 to 400 that end with 0, 1, 4, 5, 6 or 9, which are perfect squares.

 1

Find the sum 1 + 3 + 5 + … + 51 (the sum of all odd numbers from 1 to 51) without actually adding them.