engineering recuitment UPCL AE (E&M) 2021 Mock Test Quantitative Aptitude Mixture Problems To Make a Mixture from Two Mixtures
60 grams of compound of sodium and chlorine contains 70% sodium(by weight). The quantity of sodium, that is to be mixed up with this compound, so that it may contains 90% sodium, is ?
1
60 grams
2
180 grams
3
120 grams
4
240 grams