1
Q:
A) 8 hrs | B) 7 hrs 15 min |
C) 7 hrs 30 min | D) 8 hrs 20 min |
Answer: C) 7 hrs 30 min
Explanation:
Explanation:
Total number of cards = 1500
total columns = 45
so, total punches=1500 x 45 = 67500
for 1 hour if we make 9000 punches,
we require 67500/9000 = 7.5
so 7hours:30mins.