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The ABC's of numbers

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A's double exceeds its half by 99. B is twice the product of its digits. C is thrice the sum of its digits. Half of D exceeds its third by the sum of its digits. E is increased by 20% if its digits are reversed. F can be squared by sandwiching in two more digits between its original two. G differs from its reverse by twice the product of its digits. The product of H's digits is twice their sum. And turn I upside down and you'll increase it by 12.

If each one of these are whole numbers with two digits, which one is the greatest?

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I couldn't figure out 'I' but most probably F, which is 95, is the largest.


G is 93, and the 2nd largest. H can have multiple values but all less than F.

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I couldn't figure out 'I' but most probably F, which is 95, is the largest.G is 93, and the 2nd largest. H can have multiple values but all less than F.

It's like turning 69 upside down to get 96.

That's not it, but 1 and 8 are also upside-downable also.

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"I" is 86 if flipped over then it becomes 98

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