6. Michael's bicycle wheel has a diameter of 80 cm. What is the circumference of the
wheel?
A. 251.2 cm
B. 252.1 cm
C. 251.1 cm
D. 252.2 cm
. The radius of Martha's circular garden is 3 meters. How many meters of wire are
needed to put a fence around it?
A. 8.184 m
B. 18.84 m
C. 188.4 m
D. 14.88 m
50% of 60 is 25% of a number. What is the number?
?
A. 110
B. 120
C. 130
D. 140
There are 45 pupils in a class. 40 pupils are present. What percent of the class o
absent?
D. 90%
A. 8%
C.89%
B. 11%
66?
nd the missing term in this number sequence 82, 81, 78,
.69
D. 76
B. 73
C. 75​