Question

there is a 4 digit large number, 4th digit is double of 1st digit, 3rd digit are same and last two digits together are double of first two digits
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Answer 1

Here is your answer:-


let 1st digit be 4
then 4th digit becomes 8
since 2nd and 3rd are equal
we get 9 as a suitable no
therefore the no in the card is 4998

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