We may be locked down but our brains are still functioning.....right?

A house wife forgot her 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:

Let the numbers be A, B, C, D. A= B/2 B+c =10 D=B+1 A+B+C+D=23 Solving a for B (B/2 + 2B + 20-220-2B+2B+2)/2 = 23 3B + 22 = 46 3B = 46-22 3B = 24 B =24/3 B = 8 Therefore A= 4 B =8 C= 2 D= 9 The numbers are 4,8,2,9

A=2B ,A=B/2 ...EQUATION 1 B+C=10 C=10-C.....2 D=B+1 ....3 A+B+C+D=23....4 SUBSTUTUTE FOR C AND D AND A IN EQUATION 4 WE GET B/2 +B+(10-B)+(B+1)=23 THEREFORE 3B=24 B=8 FROM EQUATION 1 A=8/2=4 FROM EQUATION 3 B+C=10 C=10-8 C=2 FROM EQUATION 3 D=B+1 D= 8+1 9

8465 Four digits abcd a/2 =b ....eq 1 b+c =10...eq2 d =b+1...eq3 a+b+c+d= 23...eq4

a =2b from 1 c= 10-b from2 Solve for b 2b+b+(10-b)+b+1=23 3b+b-b=23-10-1 3b=12 b=4 From 1..a=2b=2×4=8 From 2..b+c=10, c=10-4=6 From 3..d=b+1=4+1=5 From 4..a+b+c+d=23 8+4+6+5= 23

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4829

ReplyDeleteI totally googled the answer.

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ReplyDeleteThe pin is ( 4 8 2 9 )

ReplyDeletehalf of 8 is 4

8+2 = 10

8+1 = 9

4+8+2+9 = 23

😁😁😁😁😁

Brain sef don lockdown

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ReplyDeleteI copied from Perxian

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🤣🤣🤣🤣🤣 and she copied from Google 🙆🙆🙆🙆

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Perxian ... 1st olodo

Married chick ... 2nd olodo

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Delete4829

ReplyDelete4829.. I didn't google.. Was just maths.

ReplyDelete4829

ReplyDelete..... Essa Atelier’s client.

Let the numbers be A, B, C, D.

ReplyDeleteA= B/2

B+c =10

D=B+1

A+B+C+D=23

Solving a for B

(B/2 + 2B + 20-220-2B+2B+2)/2 = 23

3B + 22 = 46

3B = 46-22

3B = 24

B =24/3

B = 8

Therefore

A= 4

B =8

C= 2

D= 9

The numbers are 4,8,2,9

Jiji

Exactly how i solved mine..d love for maths tho!

DeleteLol...its funny how she will forget 4 digits but remembers this complicated word algebraic puzzling Mathphysics

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ReplyDelete4829

ReplyDeleteA=2B ,A=B/2 ...EQUATION 1

B+C=10

C=10-C.....2

D=B+1 ....3

A+B+C+D=23....4

SUBSTUTUTE FOR C AND D AND A IN EQUATION 4 WE GET

B/2 +B+(10-B)+(B+1)=23

THEREFORE 3B=24

B=8

FROM EQUATION 1

A=8/2=4

FROM EQUATION 3

B+C=10

C=10-8

C=2

FROM EQUATION 3

D=B+1

D= 8+1

9

PIN IS 4829

QED

Anything math, always gives me instant headache

ReplyDeleteThat solution up there, give me 48 hrs, I won't understand. I hate maths.

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ReplyDeleteThe brain is on recess.😂😂

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ReplyDeleteThe answer is 4829

ReplyDeleteAbeg I no no, no scatter my brain this evening stella

ReplyDeleteThe first digit there is 4,second is 8,3rd is 2 and 4th is 9.So the answer is 4829

ReplyDeleteThe first digit there is 4,second is 8,3rd is 2 and 4th is 9.So the answer is 4829

ReplyDelete8465

ReplyDeleteFour digits abcd

a/2 =b ....eq 1

b+c =10...eq2

d =b+1...eq3

a+b+c+d= 23...eq4

a =2b from 1

c= 10-b from2

Solve for b

2b+b+(10-b)+b+1=23

3b+b-b=23-10-1

3b=12

b=4

From 1..a=2b=2×4=8

From 2..b+c=10, c=10-4=6

From 3..d=b+1=4+1=5

From 4..a+b+c+d=23

8+4+6+5= 23

4829 I calculated within 50 mins

ReplyDelete50secs actually

ReplyDelete