In teaching profession if three-fifth of the teachers are not permanent, what is the number of permanen teachers in the teaching profession ?

Options

A. a) 1608
B. b) 1640
C. c) 1764
D. d) 1704

Answer

A

Explanation

`(3)/(5)th` of the teachers are not permanent
`:.(2)/(5)th` of the teachers are permanet
`:.` No. of permanent teachers `=(26800xx15)/(100)xx(2)/(5)=1608`