Mixture and Alligation – 10 | मिश्रण

5. ताँबे और एलुमिनियम के 2 कि.ग्रा. मिश्रण में 30% ताँबा है । इस मिश्रण में कितना एलुमिनियम और मिलाया जाना चाहिए जिससे ताँबे का अनुपात 20% हो जाए ? In 2 kg mixture of copper and aluminium, adda, adda247, alligation and mixture problems, alligation and mixture tricks, alligation and mixtures, alligation and mixtures questions, Alligation rule, baks, bank exam preparation, bank po, bankers adda, bankersadda, bankersguru, banking, bankingmixture and alligation, carrerpower, cat, chsl, come learn and share, competitive exams, competitiveexams, current affairs, drvivekbindra:motivationalspeaker, exam, freshersworld, freshersworld allegation, freshersworld alligation and mixture, Govtjobs, group d crash course, how to solve alligation problems, ibpcpo, ibps, IBPS PO, IbpsPO, job interviews, jobalert, live, mat, Maths, Mixture, Mixture and Alligation, mixture and alligation concept, mixture and alligation in hindi, Mixture and Alligation Tricks for Bank PO, mixture and alligation tricks in hindi, mixtures \u0026 alligations, mixtures problems, mocktest, notes, onlinesession, paytm, pinnaclecoaching, placement tests, po, privatejobs, problems on alligation and mixture, problems on alligation and mixture shortcuts, qa, quantitative aptitude, quiz, railway crash course, railway crash course wifistudy, railway group d 2018, railway group d coaching, railway group d math, railway group d math class, railway group d math question, railway group d math syllabus, railway group d online classes, railway group d online coaching 2018, rb, recuritment, rrb, rrb alp, rrb group d crash course, rrb group d math, sarkarinaukari, sbi po, shortcut, speedtest, SSC, ssc cgl, ssc cgl maths, ssccgl, st, study smart, study smart by chandrahas, studyiq, studyiqeducation, studysmart, talentsprint, trending, trick to solve mixture and alligation, tseries, unacademy, updates, vacancy Mixture and Alligation ( मिश्रण )

ताँबे और एलुमिनियम के 2 कि.ग्रा. मिश्रण में 30% ताँबा है । इस मिश्रण में कितना एलुमिनियम और मिलाया जाना चाहिए जिससे ताँबे का अनुपात 20% हो जाए ?
In 2 kg mixture of copper and aluminium, 30% is copper. How much aluminium powder should be added to the mixture so that the proportion of copper becomes 20% ?
(a) 1200 g (b) 800 g (c) 900 g (d) 1000 g

एल्कोहल तथा पानी के 5 लीटर घोल में एल्कोहल की सान्द्रता 20% है, इसमें से 2 लीटर घोल निकाल कर उसके स्थान पर 2 लीटर पानी डाल दिया जाता है । नये घोल में एल्कोहल की सान्द्रता कितनी है ?
The concentration of alcohol in the 5 liters solution of alcohol and water is 20%, out of which, 2 liters of solution is removed and two liters of water is put in place. What is the concentration of alcohol in a new solution?
एक बर्तन में अम्ल तथा पानी का घोल है, जिसमें अम्ल की सान्द्रता 36% है । इसमें से 4 लीटर घोल निकाल कर उसके स्थान पर इतना ही पानी मिला दिया जाता है । इस घोल में अम्ल की सान्द्रता 30 % है । उस बर्तन में घोल की मात्रा कितनी थी ?
In a vessel there is a solution of acid and water in which the concentration of acids is 36%. From this, 4 liters of solution is replaced by water. The concentration of acids in this solution is 30%. What was the quantity of solution in that vessel?

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