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How ______ colours are there in a rainbow?
7
6
5
8
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How ______ stars are on the American flag?
45
36
24
50
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How ______ blood does an adult's body contain?
7
12
5
10
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How ______ keys are there on a piano?
88
54
30
60
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How ______ of the human brain is water?
80%
76%
55%
73%
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How ______ teeth do adults have?
32
28
30
31
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How ______ countries are there in South America?
15
14
12
17
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How ______ does the President of the USA earn?
$500,000 a year
$1,000,000 a year
$200,000 a year
$400,000 a year
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How ______ rings does Saturn have?
6
7
5
8
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How ______ water should people drink a day?
2l
4l
1l
5l
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How ______ salt should people consume a day?
6g
2g
10g
4g
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Okay!
How ______ protein does an egg contain?
7g
3g
10g
5g
Oops!
Okay!
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