Question

Ha kal last paper hai ..xd​

Answer 1

Answer:

ɢʀᴇᴀᴛ..

ᴋᴀɪsᴀ ʜᴀɪ..

Here the number of machines and the number of days are in inverse proportion.

63/54 = x/42

63×42 = 54x

x = 63×42/54

x= 49

Hence 49 machines would be required.