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    Subject

    Bank Exam

    Topic

    Southeast Bank Ltd. - Trainee Officer - 2018

    A gas tank is 15\frac{1}{5} th full and requires 32 gallons more to make it 37\frac{3}{7} th full. What is the capacity of the tank ?

    ক)
    115
    খ)
    120
    গ)
    135
    ঘ)
    140

    Explanation

    প্রশ্নে বলা হচ্ছে, একটি গ্যাস ট্যাংক 15\frac{1}{5} অংশ পূর্ণ আছে । ট্যাংকটির 37\frac{3}{7} অংশ পূর্ণ করতে আরো 32 গ্যালন গ্যাস লাগবে ? ট্যাংকটির ধারণ ক্ষমতা বের করতে হবে । ধরি, ট্যাংকটির ধারণ ক্ষমতা = x গ্যালন প্রশ্নমতে, 3x7−x5=32\frac{{3x}}{7} - \frac{x}{5} = 32 => 15x−7x35=32\frac{{15x - 7x}}{{35}} = 32 => 8x35=32\frac{{8x}}{{35}} = 32 x = 35×328=35×4=14035 \times \frac{{32}}{8} = 35 \times 4 = 140 Shortcut: এখানে, 37−15=835\frac{3}{7} - \frac{1}{5} = \frac{8}{{35}} অংশের পরিমাণ 32 গ্যালন সম্পূর্ণ বা 1 অংশের পরিমাণ = 32×358=14032 \times \frac{{35}}{8} = 140 গ্যালন

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