Question
Rohit, Dhawan, Virat, Dhoni and Mayank are five friends.
Their mean age is 28. What is the age of Virat? Statement I : Rohit’s age is 28 Statement II : Dhawan’s age is 6 years less than Mayank and Mayank’s age is 10 years less than Dhoni. Statement III : Virat’s age is 12 years more than Dhawan’s age and 6 years more than Mayank’s age. In each of the following questions, a question and some statements are given. You have to decide whether the date given in the statements is sufficient to answer the question or not.Solution
Rohit + Dhawan+ Virat + Dhoni + Mayank= 28 × 5 = 140 From statement I: Dhawan+ Virat + Dhoni + Mayank= 112 From statement II: Dhawan = Mayank – 6 and Mayank = Dhoni – 10 so, Dhoni = Mayank + 10 From statement III: Virat = Dhawan + 12 and Mayank + 6 ;Combining all three statements, we get the age of Virat.
378 ml of mixture ‘A’ contains milk and water in the ratio 4:5 respectively. If the quantity of milk in mixture ‘B’ is 37.5% mor...
There is a 165 litres mixture (soda + water), such that ratio of quantities of soda and water in it is 6:5, respectively. How much quantity of soda shou...
- Out of 180 litres of paint mixture, the ratio of red to blue paint is 5:4. What quantity of red paint should be added to make the ratio 7:5?
300 ml of mixture contains milk and water in the ratio of 16:x respectively. If 50 ml of water and 60 ml of milk is added into it then ratio of milk to ...
A 200 litres mixture of juice and water contains 30% juice. How much water should be added to the mixture to make the quantity of water 80% of the total...
There is a 99 litres mixture (soda + water), such that ratio of quantities of soda and water in it is 6:5, respectively. How much quantity of soda shoul...
A mixture contains wine and water in the ratio 5:1. On adding 5 litre of water, the ratio of wine to water becomes 5:2. The quantity of wine in the mix...
A mixture (acetone and water) contains 40% acetone and rest 96 litres water. How much acetone should be added to the mixture to make the ratio of aceton...
Mixture ‘A’ consists of petrol and acid in a 4:1 ratio, while Mixture ‘B’ contains petrol and acid in a ratio of 5:3. If these two mixtures are ...
In a mixture of 120 litres, milk was 58(1/3)% and rest was water. If (x + 15) of the mixture is taken out and add 8 litres of milk in it, then the diff...