Related Questions

The ratio of sand to gravel in a mixture is 7 : 8 while that between gravel and cement is 6 : 7. What is the ratio of sand to cement in the mixture?
A 49 : 48
B 7 : 7
C 8 : 6\
D 3 : 4
A cement mixture is composed of 3 elements. By weight, 1/3 of the mizture is sand, 3/5 is water and the remaining 12 pounds of the mixture is gravel. What is the weight of the entire mixture in pounds?
A 60
B 80
C 90
D 180
A mixture contains 2/5 of element A and 3/5 of element B. When 5ml of A is added to the mixture, the proportion of B in the mixture changes to 1/5. What amount of A was originally present in the mixture before the addition was made ?
A 1ml
B 1.5ml
C 2.5ml
D 6ml
A jar contains a mixture of oil and water in the ratio 22 :3 . 50 litres of the mixture was taken out and 25 litres of water was added to it. If water was 34% in the resultant mixture, what was the initial quantity of the mixture (in litres ) in the jar?
A 175
B 150
C 75
D 125
Side slopes generally kept for canals in loam soil, are:
A 1 : 1 in cutting and $$1\frac{1}{2}$$ : 1 in filling
B $$1\frac{1}{2}$$ : 1 in cutting and 2 : 1 in filling
C Neither (A) nor (B)
D Both (A) and (B)
The saturation line is the line up to which banks get saturated after the canal runs for some time. The saturation gradient in ordinary loam soil, is generally
A 2 : 1
B 3 : 1
C 4 : 1
D 5 : 1
A 140 liter mixture of milk and water contains 20% water. How much milk , in liter, must be added to the mixture so that the new mixture will contain a water and milk ratio of 1 : 7?
A 80 liter
B 84 liter
C 112 liter
D None of these
A fruit salad mixture consists of apples, peaches, and grapes in the ratio 6:5:2, respectively, by weight. If 39 pounds of the mixture is prepared, the mixture includes how many more pounds of apples than grapes?
A 15
B 12
C 9
D 6
A 180 liter mixture of milk and water contains 20% water. How much milk, in liters, must be added to the mixture so that the new mixture will contain water and milk in the ratio of 1 : 7?
A 100 liters
B 108 liters
C 144 liters
D 252 liters
A cement mixture is composed of 3 elements. Weight, 1/3 is water and the remaining 12 pounds of the mixture is gravel .What is the weight of the entire mixture in pounds?
A 60
B 80
C 90
D 180

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