Recap quiz

13231213213 Round to hundred million

• 13000000000

• 340000000000

• 2200000000000

• 1300000000001

In a bag full of small balls, 1/4 of these balls are green, 1/8 are blue, 1/12 are yellow and the remaining 26 white. How many balls are blue?

• 6 balls are blue

• 7 balls are green

• 12 balls are blue

• None of above

In a school 50% of the students are younger than 10, 1/20 are 10 years old and 1/10 are older than 10 but younger than 12, the remaining 70 students are 12 years or older. How many students are 10 years old?

• 22 student are 10 years old

• 23 students are 10 years old

• 10 students are 10 years old

• None of above

Calculate the circumference of a circular field whose radius is 5 centimeters.

• 10π kilometers

• 10π centimeters

• 15π centimeters

• 10π meters

8. 15 -65 is =

• 50

• -50

• 80

• -80

5. 1/8 into percentage =

• 12

• 12.5

• 12.1

• 13

The sum of the measures of two complementary angles is

• 180°

• 120°

• 90°

• 35°

10 raise to power (1 x 2)

• 10

• 1000

• 100

• 10000

0.8 is a rational number

• True
• False

Find the value of X

X + 19 = 47

• 26

• 25

• 19

• 47