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How politics and economics have their own versions of the Shepherd Problem

Some problems are unsolvable even though they have data, because the information is inadequate

The VVPAT machines, which will be attached to the EVMs, will allow voters to verify if their vote has gone to the intended candidate. (Photo: pib.nic.in)
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The VVPAT machines, which will be attached to the EVMs, will allow voters to verify if their vote has gone to the intended candidate. (Photo: pib.nic.in)

T C A Srinivasa-Raghavan
These days everyone is trying to solve two problems: which party will lead the next coalition and when will the economy recover. This reminds me of a problem in mathematics, which is actually not a problem at all.

It is called the Shepherd Problem. It goes as follows: “A shepherd is tending 93 goats and seven sheep. How old is the shepherd?” There are, of course, several variations of the problem.

For example: Yesterday 67 planes landed and 43 took off. At 6 pm there were noon there were 32 planes on the ground. How many planes were still there
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