Kwekwe to the geographical centre of the country, Kwekwe is also strategically located within the Midlands metropolitan area. Kwekwe, together with Gweru, Munyati, Kadoma and Redcliff form a single customer base for local commercial enterprises. As elsewhere in Zimbabwe, a high proportion of the population depends on the informal sector, possibly more than half of the population. Many self-employed miners carry out illegal digging work just north of the city, panning for gold, one of the most lucrative sources of income. Other residents engage in less strenuous work as cobblers, carpenters, TV and radio repairmen, and vendors selling anything from onions
Tournament of the Towns The problems are mostly combinatorial, with the occasional geometry, number theory or algebra problem. They have a different flavour to problems seen in other mathematics competitions, and are usually quite challenging. Some of the problems have become classics, in particular two from the Autumn 1984 paper. The first competition, held in the 1979–1980 academic year, was called the Olympiad of Three Towns. They were Moscow, Kiev and Riga. The reputation of the competition grew and the following year, it was called Tournament of the Towns. The Tournament of the Towns was almost closed down in its early years of development