Subject
Bank Exam
Topic
UCBL Bank Ltd. - Management Trainee Officer - 2017
Solution X is 10 percent alcohol by volume and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume ?
Solution X is 10 percent alcohol by volume and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume ?
ক)
600খ)
800গ)
300ঘ)
250ঙ)
None of theseExplanation
Solution: প্রশ্নে বলা হচ্ছে যে, X মিশ্রণে 10% অ্যালকোহল এবং Y মিশ্রণে 30% অ্যালকোহল রয়েছে । 200 মিলিলিটার এর X একটি মিশ্রণে আর কত মিলিলিটার Y মিশ্রণ করলে মিশ্রণের 25% অ্যালকোহল থাকবে ? ধরি, P মিলিলিটার অ্যালকোহল যোগ করতে হবে । প্রশ্নমতে, 200 এর 10% + P এর 30% = (200 + P) এর 25% => (200 10) + (P 30) = (200 + P) 25 [উভয় পক্ষ থেকে % বাদ দিয়ে] => 2,000 + 30P = 5,000 + 25P => 5P = 3,000 P = 3,000/5 = 600Related questions
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