ChatterBank1 min ago
G C S E Code Question
23 Answers
Liam is trying to remember a 3-digit code.
He knows the rule that, the first digit is a cube number.
The second digit is a factor of 16. The third digit is an odd number.
Liam tries a random code that matches the rule.
Expressing as a percentage, calculate
the probability that his code is correct.
He knows the rule that, the first digit is a cube number.
The second digit is a factor of 16. The third digit is an odd number.
Liam tries a random code that matches the rule.
Expressing as a percentage, calculate
the probability that his code is correct.
Answers
1st digit 1 or 8 2nd digit (factor of 16) 1 2 4 or 8 3rd digit 1 3 5 7 or 9 = 2 x 4 x 5 variants = 1/40
15:03 Wed 12th Apr 2023