Related Questions

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
If all the factors of productions are increased in a fixed proportion , volume of production increase proportion which is greater than the proportion of increase in the factors of production -this state can be described most appropriately by -
A Proportionate return to scale
B Disproportionate return of scale
C Increasing return to scale
D Law of scale
It all the factors of productions are increased in a fixed proportion, volume of production increase proportion which is greater than the proportion of increase in the factors of production this state can be described most appropriately by-
A Proportionate return to scale
B Disproportionate return of scale
C Increasing return to scale
D Law of scale
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate
A Is prone to thermal decomposition
B Has high water solubility and is unstable
C Is soluble in ammonium chloride and potassium chloride solution
D All of the above
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
Oxalate calculi
A Form in an alkaline urine
B Grow rapidly
C Have smooth rounded surface
D Are primarily white in colour
E Are radiolucent ureteric stone
A and B started a partnership business investing some in the ratio of 3:5 , C joined them after six months with an amount equal to that of B. In what proportion joined them after six months with an amount equal that of B. In what proportion should the profit at the and of the first year distributed among A. B and C
A 3:5:2
B 3:5:5
C 6:10:5
D cannot be determined
The ages of X and Y are in the proportion of 6:5 and total of their ages is 44 years. The proportion of their ages after 8 years will be
A 8:7
B 3 : 6
C 6 : 3
D 9 : 5
Iodine can be separated from a mixture of Iodine and Potassium Chloride by
A Sedimentation
B Filtration
C Sublimation
D Distillation
What is a mixture of potassium nitrate, powdered charcoal and sulphur called?
A Glass
B Cement
C Paint
D Gun powder

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