Ashifur August 8, 2023 - 17:50
Problem: 21 মিটার দৈর্ঘ্য ও 15 মিটার প্রস্থ বিশিষ্ট একটি বাগানের বাইরের চারদিকে 2 মিটার চওড়া একটি পথ আছে প্রতি বর্গমিটার 25 টাকা হিসেবে পথটিতে ঘাস লাগাতে মোট কত টাকা খরচ হবে?

View all: SONALI BANK OFFICER | WRITTEN QUESTION (MATH) SOLVE | 2014

Correct Answer: উত্তরঃ 4000 টাকা ।

Explanation:

রাস্তাসহ বাগানের দৈর্ঘ্য = 21 + 72 + 2 = 25 মিটার ও প্রস্থ =153+2+2=19 মিটার ।

রাস্তাসহ বাগানের ক্ষেত্রফল, দৈর্ঘ্য প্রস্থ = (25 x 19) = 475 বর্গমিটার

আবার, রাস্তাবাদে বাগানের ক্ষেত্রফল = (21×15) = 315 বর্গামটার

শুধু রাস্তার ক্ষেত্রফল = 475 – 315= 160 বর্গমিটার

প্রশ্নমতে, 1 বর্গমিটার ঘাস লাগাতে খরচ হয় = 25 টাকা

160 বর্গমিটার ঘাস লাগাতে খরচ হয় = 160 x 25 = 4000 টাকা ।

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