A rectangular floor that measures 8 meter… | Answer

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Bank Exam

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One Bank Ltd. - Special Cadre Officer - 2018

A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 members by 2 meters. If a carpet square costs Tk. 12 calculate the total cost to cover $\frac{2}{3}$ of the floor ?
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ক)

Tk. 160

খ)

Tk. 240

গ)

Tk. 480

ঘ)

None of these

Explanation

Solution: প্রশ্নে বলা হচ্ছে, একটি ফ্লোরের দৈর্ঘ্য 8 মিটার এবং প্রস্থ 10 মিটার । ফ্লোরটিকে 2 মিটার দৈর্ঘ্য এবং 2 মিটার প্রস্থের কার্পেট দ্বারা মুড়াতে প্রতি বর্গমিটারে 12 টাকা করে খরচ করে ফ্লোরটিকে

\frac{2}{3}

অংশ কার্পেট করতে কত খরচ হবে ? আয়তাকার ফ্লোরের ক্ষেত্রফল = 8

\times

10 = 80 বর্গমিটার কার্পেটের ক্ষেত্রফল = 2

\times

2 = 4 বর্গমিটার মোট কার্পেট লাগে = 80/4 = 20 টি অতএব, ফ্লোরের

\frac{2}{3}

অংশ কার্পেট করতে খরচ হবে =

20 \times \frac{2}{3} \times 12

= 160 টাকা

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A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 members by 2 meters. If a carpet square costs Tk. 12 calculate the total cost to cover 23\frac{2}{3}32​ of the floor ?Reading

A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 members by 2 meters. If a carpet square costs Tk. 12 calculate the total cost to cover 23\frac{2}{3}32​ of the floor ?

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A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 members by 2 meters. If a carpet square costs Tk. 12 calculate the total cost to cover $\frac{2}{3}$ of the floor ?
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A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 members by 2 meters. If a carpet square costs Tk. 12 calculate the total cost to cover $\frac{2}{3}$ of the floor ?