2 digit number which is square number less than 42 but greater than 29 = 36square numbers are 2, 9, 16, 25, 36, 49,...
It is: 42+10 = 52
14
2 and 7 are prime numbers less than 10 that are factors of 42 and 70.
If seven less than half of the number is 35 then 7 plus 35 must be half of the number. 7 + 35 = 42 and if that is half the number the whole number must be 42 x 2, which is 84.
6x<42 x<7 x must be less than 7
19 + n < 42
The number is 55. 55 - 13 = 42.
2 digit number which is square number less than 42 but greater than 29 = 36square numbers are 2, 9, 16, 25, 36, 49,...
Because 16 is a factor of 16, but it's not a factor of 42. So a number that's a factor of both 16 and 42 must be less than 16. (It can't be more than 16, because no factor of 16 can be bigger than 16.)
It is: 42+10 = 52
42
It is: 42
14
Smiling uses less than half the number of muscles compared to frowning (17 to 42).
2 and 7 are prime numbers less than 10 that are factors of 42 and 70.
If seven less than half of the number is 35 then 7 plus 35 must be half of the number. 7 + 35 = 42 and if that is half the number the whole number must be 42 x 2, which is 84.