Question

9. In a map, 1 cm represents 8 km. How much distance will be represented by 80.5 cm?
(a) 640 km
(b) 642 km
(c) 644 km
(d) 648 km
10. If 16 men can reap a field in 30 days, in how many days will 20 men reap the same field?​

Answer 1

Answer:

10.24

Step-by-step explanation:

16 16 * 30 which is equals to 480 480 / 20-

Answer 2

Step-by-step explanation:

If 16 men can reap a field in 30 days, in how many days will 20 men reap the same field?

From the question,

16 men can reap a field in 30 days

1 man can reap a field in =(16×30) days .. [ less men, more days]

∴ Number of men required to reap a field in 24 days =(16×30)/24

=20 men ...[ More men, less days]

Hence, 20 men required to reap a field in 24