Arithmetic Questions And Answers :: Alligation Mixture: part1

6.15 litres of a mixture contains 20% alcohol and the rest water. If 3 litres of water be mixed in it, the percentage of alcohol in the new mixture will be :

7.Some amount out of Rs. 7000 was lent at 6 % p.a. and the remaining at 4% p.a. If the total simple interest from both the fractions in 5 years was Rs. 1600, the sum lent at 6% p.a. was :

8.Two vessels A and B contain milk and water mixed in the ratio 5 : 3 and 2 : 3. When these mixtures are mixed to form a new mixture containing half milk and half water, they must be taken in the ratio :

9.A grocer buys two kind of rice at Rs. 1.80 and Rs. 1.20 per kg, respectively. In what proportion should these be mixed, so that by selling the mixture at Rs. 1.75 per kg., 25% may be gained ?

10.729 ml. of a mixture contains milk and water in the ratio 7 : 2. How much more water is to be added to get a new mixture containing milk and water in ratio 7 : 3 ?