12. What number will you get if you multiply the difference of 18 and 9 by the quotient
of 505 and -5?
a) 99
b)-909
c) 919
13. Which of the following is false?
a) O is neither negative nor positive integer
b) The positive integers are located at the left of zero
c) The numbers +2 and 3 are positive integers
14. What is the correct answer? 82 - ( 10 x 6 5 ) + 8?
a) 25
b) 25.55
c)25
15. What is the product of 23³?
a) 12.167
b) 16.127
c) 12,716
16. What is the result of -15 ×(-35)
a) 12
b) 225
c)-1150
17. It is a solid figure without a flat faces and can roll.
a) Sphere
b) pyramid
c) prism
18 It is a space figure that is like a prism but has circular bases
a) Cone
b) cylinder
c) net
19 Which of the following sentences is true?
a) A cylinder has a triangular base
b) A cube has 12 edges
c) A triangular pyramid has 4 faces. 4 vertices, and 6edges​