Question

the length breadth and height of a room are 5m,4m,and 3m respectively .Find the cost of white washing the wall of the room and ceiling at the rate of 7.50 per meter square​

Answer 1

ᴀɴsᴡᴇʀ ɪs ɪɴ ɢɪᴠᴇɴ ᴀᴛᴛᴀᴄʜᴍᴇɴᴛ.

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Answer 2

★ QUESTION :-

the length breadth and height of a room are 5m,4m,and 3m respectively .Find the cost of white washing the wall of the room and ceiling at the rate of 7.50 per meter square

★ AnswEr :-

• Rs 555

★ GivEn :-

• length ➦ 5m
• breadth ➦ 4m
• height ➦ 3m

★ To Find :-

• cost of white washing the wall

$\star \: \boxed{ \sf\red{ Solution:-}}$

➠ Area to be white washed

$\implies\sf \: 2(lh+bh)+lb$

$\implies\sf \: 2(15+12)+20$

$\implies\sf \: 54+20=74m²$

➠ Cost of white washing

$\implies\sf \: 74×7.50$

$\implies \sf{ \red{ \bold{Rs\: 555}}}$