#### The following numbers are obviously not perfect. Give reason.

(i) 567

(ii) 2453

(iii) 5298

(iv) 46292

(v) 74000

**Solution:**

#### The square of which of the following numbers would be an odd number or an even number? Why?

(i) 573

(ii) 4096

(iii) 8267

(iv) 37916

**Solution:**

**More Solutions:**

- Write five numbers which you can decide by looking
- Natural numbers lie between the square of the following
- Express the following as the sum of two consecutive integers
- Find the squares of the following numbers without actual multiplication
- Find the squares of the following numbers containing 5 in unit’s place
- Write a Pythagorean triplet whose one number is
- Observe the following pattern and find the missing digits