IBPS Government Jobs Exams Numerical Ability Alligation or Mixture

A container contains water and alcohol in the ratio 18 : 13. A man mixed 15 liters of water in the container and then ratio of water to milk in the container becomes 3 : 2. What will be the ratio, if 15 liters of alcohol has been added?
A)32 : 27 B)36 : 29 C)35 : 31 D)33 : 26 E)None of these

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IBPS Other Question

An article was sold at 30% discount. If the same article was sold at 36% discount, then there would have loss of Rs. 240. If the article was marked 62.5% above the cost price, then find the original selling price of article.
A)Rs. 2940 B)Rs. 2520 C)Rs. 2800 D)Rs. 2100 E)None of these Ranjeet bought a book at Rs. 4000. He marked it up by x% above the cost price and then sold it at a discount of 10%. Raghav also bought a book at Rs. 2500 and marked it up by x/2% above cost price and then sold it at a discount of 20%. If the sum of the selling prices of the two books was Rs. 7440, then find the value of ‘x.
A)40 B)50 C)30 D)45 E)35