Source: Previous Question Papers
Chandu typed at the speed of N words per hour for 5 hours and Ali typed at the speed of M words per hour for 6 hours. Total how many words did both of them type?
Options
Option A
5 N × 6 M
Option B
6 M – 5 N
Option C
5 M × 6 N
Option D is correct
5 N + 6 M