# How many sevens (7’s) are there between 1 and 100?

• ?
1 month ago

There are 20:

7

17

27

37

47

57

67

70

71

72

73

74

75

76

77 (that’s two)

78

79

87

97

• Strayvin
4 days ago

There is only one number 7.

The wording here implys there could be more than one. But no.

If the original question was asking how many of the numbers, from 1 to 100, contain the digit 7, the answer is 19.

Or, if the question had been about how many times the digit 7 would be used between 1 and 100, the answer is 20.

IQ tests, like people, are flawed. How, who, and when a question is asked, in wording, tone, situation, or cognitive development has just as much relevance.

“The only true intelligence is you and your ability to choose what you understand.”

– David “Strayvin” Shelton (12/18/16)

• Anonymous
1 month ago

An ambiguous question that could be answered in a few ways

07 17 27 37 47 57 67 70 71 72 73 74 75 76 77 78 79 87 97

or 14 if you divide 99/7

• shiftone85
1 month ago

7 17 27 37 47 57 67 77 87 97

1 2 3 4 5 6 7 8 9 10 11

11

side note is that there are 11 of any number 1 – 9 between 1 and 100.

1 month ago

There’s one per dozen, plus 9 from the seventh dozen.

That’s 1*10 + 9 = 19 sevens.

• Anonymous
1 month ago

11

• NORMAN H
1 month ago

Of course, 20 the 77 counts as two. Well done to all who got it right.

• Anonymous
1 month ago

• Tony P
1 month ago

its either 14.28 if you meant 100/7 or 11if you meant 7,17,27,37, 47…etc etc

• Anonymous
1 month ago

20

7,17,27,37,47,57,67,70,71,72,73,74,75,76,77 (there’s 2) ,78,79,87,97