Question

Starting from the inlet pipe when the tank is empty both the inlet pipe and an exhaust pipe fill the water tank with water for one hour respectively and the drain takes 15 hours to completely fill the empty water tank through the inlet pipe. Whereas the exhaust tank is filled with water. Emptying completely in 21 hours means plenty of time to fill the tank completely. "​

Answer 1

ϙᴜᴇsᴛɪᴏɴ:

ɪɴᴛᴇʀɴᴇᴛ ᴇxᴘʟᴏʀᴇʀ ɪs ᴜsᴇᴅ ғᴏʀ ᴍᴀɴᴀɢɪɴɢ ᴛʜᴇ ғɪʟᴇs ᴀɴᴅ ғᴏʟᴅᴇʀs ᴛʀᴜᴇ ᴏʀ ғᴀʟsᴇ ?

ᴀɴsᴡᴇʀ:

ғᴀʟsᴇ

1 ᴛʜᴀɴᴋ + ʙʀᴀɪɴʟɪᴇsᴛ = 10 ᴛʜᴀɴᴋs