Question

II Fill in the blanks
10 x1= 10
1. A number ending with 2,3,7 or 8 cannot be a square.
2. The additive inverse of the rational number is
3. A simple closed curve made up of only line segments is called a
4. (a - b)2 =
5. 25% of x is 10, then x = -
6. Two quantities x and y are so related that an increase in one quantity (x) implies a
corresponding decrease in the other quantity (y). Then x and y are in ------ variation.
7. Express in the usual form:
2.036 x 10-6
8. The value of (1/3) 3 = (1/3)' is equal to
9. The adjacent angles in a parallelogram are
10. Sujin buys a chair for Rs 80 and sells it for Rs 100. His gain percentage is​

Answer 1

Answer:

2) the opposite sign integer

3) quadrilateral

4) a²-2ab+b²

5) 40

6) Inverse