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D and E are two points on the sides AC and BC respectively of triangle ABC such that DE = 18cm ,CE=5 cm and angle DEC = 90. If tan angle=3.6, then AC:CD=

The ratio of expenditure and savings is 3:2. If the income increases by 15% and the saving increases by 6%, then by how much % should his expenditure increases?

1) 25

2) 21

3) 12

4) 24

The ratio of petrol and kerosene in the container is 3:2 when 10Litres of the mixture is taken out and is replaced by the kerosene, the ratio becomes 2:3. The total quantity of the mixture in the container is :

1) 25

2) 30

3) 45

4) 35

21

21