Question

the average income of x for 12 days is Rs4560.The average for first six days is Rs3340 and that of last five days is Rs.2260.calculate the income for seventh day?​

Answer 1

Answer:

⇒ The average income of A for 15 days is Rs.70.

∴ Total income of 15 days =15×Rs.70=Rs.1050

⇒ The average income of first five days is Rs.60

∴ Total income of first 5 days =5×Rs.60=Rs.300

⇒ The average income of last nine days is Rs.80

∴ Total income of last 9 days =9×Rs.80=Rs.720

⇒ A

′

s income for 6th day = Total income of 15 days − Total income of first 5 days − Total income of last 9 days.

=Rs.1050−Rs.300−Rs.720

=Rs.30

∴ A

′

s income for 6th day is Rs.30.

Answer 2

Answer:

ꜱᴜʙꜱᴄʀɪʙᴇ ᴛᴏ ɪɴᴅ ꜰɪʀᴇᴍᴀꜱᴛᴇʀ ꜰꜰ

Step-by-step explanation:

ꜱᴜʙꜱᴄʀɪʙᴇ ᴛᴏ ɪɴᴅ ꜰɪʀᴇᴍᴀꜱᴛᴇʀ ꜰꜰ