Question

Amit can type 150words in5minutes find how much will he takes to type 1350 words also how many words he will type in an hour

Answer 1

$in \: one \: minute \: = \frac{150}{5} = 30words \\ how \: long \: will \: he \: take \: to \: write \: 1350wrds = \frac{1350}{30} = 45minutes \\ one \: hour \: = 60minutes \\ words \: in \: 1hour = 30 \times 60 = 1800words$