Numeracy Foundation November 2022 Unit 1 Q3
3. Rhodri has a 6-digit code for his internet bank account.
He remembers the code as three lots of two-digit numbers.
The first two-digit number is a prime number between 25 and 30.
The second two-digit number is a square number between 10 and 20.
The third two-digit number is an odd number that is a multiple of 7 between 20 and 40.
All 6 digits of Rhodri’s code are different.
What is Rhodri’s 6-digit code? [4]
Rhodri’s 6-digit code is: ☐ ☐ ☐ ☐ ☐ ☐
| Scheme | Marks | Comments |
|---|---|---|
| 29 16 35 | B4 | Answer box takes precedence If B4 not awarded: Award B1 for 29 selected Award B1 for 16 selected Award B2 for 35 selected or award B1 for 21 selected (if both 21 and 35 given, award B1) Penalise -1 if all the 3 two-digit numbers are correct but not in the correct order. Allow unambiguous answers for each statement written in each box (ie using 12 digits) |