The amount of water (in ml) that should be added to reduce 9 ml. Lotion, containing 50% alcohol, to a lotion containing 30% alcohol, is__________?

Related Mcqs:

1. The quality of water that should be added to reduce 9 ml. Lotion containing 50 % alcohol to a lotion containing 30 % alcohol is_________?

   A. 3 ml
   B. 4 ml
   C. 5 ml
   D. 6 ml

2. Sharjeel has a container which has a mixture of wine and water in it. Wine and water are in the ratio 4:1. Sharjeel spills some of the mixture by accident. He then replaces the spilled amount with water of same quantity. But now the wine to water ratio became 3:2. How much water did Sharjeel add?

   A. 3/5
   B. 1/2
   C. 1/4
   D. 2/7

3. Two vessels P and Q contain 62.5% and 87.5% of alcohol respectively. If 2 litres from vessel P is mixed with 4 litres from vessel Q, the ratio of alcohol and water in the resulting mixture is_______?

   A. 16 : 5
   B. 14 : 5
   C. 16 : 7
   D. 19 : 5
   E. None of these

4. A mixture of 70 liters of wine and water contains 10% water. How much water must be added to make water 12 ½% of the total mixture?

   A. 12 liters
   B. 10 liters
   C. 4 liters
   D. 2 liters

5. A mixture of 150 liters of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture?

   A. 7 liters
   B. 15 liters
   C. 10 liters
   D. 9 liters

6. A mixture of 70 litres of milk and water contains 10% water. How many litres of water should be added to the mixture so that the mixture contains 12 1/2% water?

   A. 2
   B. 8
   C. 4
   D. 5
   E. None of these

7. The area of the base of a rectangular tank is 6500Sq.cm and the volume of water containing in it is 2-6 cubic meters. The depth of the water in the tank is

   A. 2.5m
   B. 3m
   C. 5.5m
   D. 4m

8. Milk and water in two vessels A and B are in the ratio 4:3 and 2:3 respectively in what ratio the liquids in both the vessels should be mixed to obtain a new mixture in vessel C containing half milk and half water?

   A. 1:1
   B. 1:3
   C. 1:2
   D. 7:5

9. Rs.1200 divided among P, Q and R. P gets half of the total amount received by Q and R. Q gets one-third of the total amount received by P and R. Find the amount received by R?

   A. Rs.400
   B. Rs.500
   C. Rs.300
   D. Rs.600
   E. None of these

10. Mr. Tassawar Javed invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in Scheme B?

    A. Rs. 6400
    B. Rs. 6500
    C. Rs. 7200
    D. Rs. 7500