(a) The population figures of a town from census record are given in…

Question

(a) The population figures of a town from census record are given in table. Find the population after three decades by using arithmetic increase method. (10)

| Year | 1951 | 1961 | 1971 | 1981 |

|---|---|---|---|---|

| Population | 100000 | 109000 | 116600 | 128200 |

(b) Write short notes on the following:

i) Service fittings

ii) Fire hydrants (10)