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A house wife forgot her bank 'ATM PIN' which is four digit number, but luckily...

A house wife forgot her bank 'ATM PIN' which is four digit number, but luckily she remembered some hints on how to recall the PIN.
here are some of the clues
1) the first digit is half of the 2nd
2) the sum of the 2nd and 3rd is 10
3) the forth is equal to the 2nd plus 1
4) the sum of all the digits is 23

What's the ATM PIN?
In Mathematics
2 Answers Available
Asked by Yusuf on 23rd November, 2019
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709