3 liters of water is added to 11 liters of a solution containing 42% of alcohol in the water. The percentage of alcohol in the new misture is:

3 liters of water is added to 11 liters of a solution containing 42% of alcohol in the water. The percentage of alcohol in the new misture is: Correct Answer 33%

প্রশ্নে বলা হচ্ছে, 42% অ্যালকোহলযুক্ত 11 লিটারের একটি দ্রবণে 3 লিটার পানি যোগ করা হলো। নতুন মিশ্রণে অ্যালকোহলের শতকরা পরিমাণ কত? 3 লিটারের পানি যোগ করায় নতুন দ্রবণের পরিমাণ হবে = 3 + 11 = 14 লিটার দ্রবণে অ্যালকোহলের পরিমাণ ছিল 11এর 42% = 11×42100 লিটার .:.নতুন দ্রবণে অ্যালকোহলো পরিমাণ = (11×4210014×100) % = (11×421400×100)% = 33%
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