Question

answer
1. Closure property is not true for division of rational numbers because of the number
a) 1
b)-1
c) 0
d)1/2
2. If the area of a square is 38x'y then, its side is
a) 6X y
b) 8x'y
C) 6 y
d) -6x2y
3. Two similar triangles will always have angles.
a) acute
b) obtuse
c) right
d) matching
4. How many outcomes can you get when you toss three coins once?
a) 6
b) 8
c) 3
d) 2
5. How many digit numbers contain the number 7?
a) 10
b) 18
c) 20
d) 19​

Answer 1

1) 1/2

2) -6x2y

3) Matching

4) 6

5) 10