Question

1. 9² = 81 then square root of 81 is 9. *

True

False

2. 2n, (n²-1), (n²+1) are Pythagorean triplets. *

True

False

3. 8² = 8 + 8. *

True

False

4. Sum of angles of a quadrilateral is 360⁰. *

True

False

5. A number exactly divisible by 2 is an even number. *

True

False

​

Answer 1

5-true

4- true

3-false

2-false

1- true