You were faced with this question in an examination room.
.
You saw a
laptop of 97K. You didn't have the cash, so you borrowed 50K from ur mom and 50K from ur dad, altogether = 100K.
You bought the laptop for 97k, and left with 3K balance.
Out of the 3k balance, You gave ur dad 1K and ur mum 1K
and kept the remaining 1K to yourself.
.

Now you owe your mum 49K and
ur dad 49K. Amounting to 49K+49K = 98K
+ the remaining 1K you kept = 99K.
.
Where is the missing 1K?

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Macelliot:
You were faced with this question in an examination room.
.
You saw a
laptop of 97K. You didn't have the cash, so you borrowed 50K from ur mom and 50K from ur dad, altogether = 100K.
You bought the laptop for 97k, and left with 3K balance.
Out of the 3k balance, You gave ur dad 1K and ur mum 1K
and kept the remaining 1K to yourself.
.

Now you owe your mum 49K and
ur dad 49K. Amounting to 49K+49K = 98K
+ the remaining 1K you kept = 99K.
.
Where is the missing 1K?

There wasn't any missing 1K.

You are suppose to refund your mum and dad equally an amount of 1K each.But after giving them 1K each from the 3K,the 1K left is either for one of them-your mum or your dad.If you agree that your mum has the 1K,then she has 50K completed which is 50K + 49K=99K.If you agree that your dad has the 1K,then he has a 50K completed and your mum 49K.So,the 1K is given to either one of them but not two of them simultaneously.

This means you have to get 1K elsewhere to complete the borrowed money!

There is no missing money, after returning N1,000 each to your mum and dad it means that you borrowed N49,000 + N49,000 = N98,000 then less N97,000 the cost of laptop then the balance N1,000 is the money that is with you.