Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
How many / How much quiz
0
%
0
0
0
Back
Restart
How ______ water should people drink a day?
2l
5l
4l
1l
Oops!
Okay!
How ______ stars are on the American flag?
45
36
50
24
Oops!
Okay!
How ______ countries are there in South America?
17
15
14
12
Oops!
Okay!
How ______ teeth do adults have?
28
32
30
31
Oops!
Okay!
How ______ keys are there on a piano?
30
60
54
88
Oops!
Okay!
How ______ of the human brain is water?
55%
76%
80%
73%
Oops!
Okay!
How ______ rings does Saturn have?
6
5
8
7
Oops!
Okay!
How ______ protein does an egg contain?
5g
10g
7g
3g
Oops!
Okay!
How ______ does the President of the USA earn?
$200,000 a year
$400,000 a year
$1,000,000 a year
$500,000 a year
Oops!
Okay!
How ______ blood does an adult's body contain?
7
10
12
5
Oops!
Okay!
How ______ salt should people consume a day?
6g
10g
4g
2g
Oops!
Okay!
How ______ colours are there in a rainbow?
6
5
8
7
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies