Related Questions

A drug store usually sells a certain medicine at 40% profit . During a sale, the medicine was sold for 10% less than the usual price. What percent profit the store made on eachof this medicine during the sale?
A 4%
B 20%
C 30%
D 26%
Which among the following is used to treat Indigestion?
A Antacid
B Antiseptic
C Analgesic
D Antibiotic
The type of water filter normally employed/ preferred for treating small quantities of water in railway stations and individual industries is the __________ filter.
A Rapid sand
B Pressure
C Gravity
D Slow sand
Which of the following is used as a coagulant in treating turbid water?
A Chlorine
B Ferric sulphate
C Calcium sulphate
D Activated carbon
Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills?
A Agrobacterium
B Clostridium
C Nitrosomonas
D Pseudomonas
The coagulant which is generally not used for treating the sewage, is
A Alum
B Ferric chloride
C Ferric sulphate
D Chlorinated coppers
Raschig ring made of procelain cannot be used for treating concentrated
A Hydrochloric acid
B Nitric acid
C Alkalis
D Sulphuric acid
In a sample of 50 people, 19 had type O blood, 22 had type A blood, 7 had type B blood and 2 had type AB blood. If a person is selected randomly, find the probability that the person has neither type A nor type O blood?
A 15/25
B 31/50
C 11/25
D 9/50
A drug that is highly effective in treating many types of infection can,at present,be obtained only from the bark of the ibora , a tree that is quite rare in the wild. It takes the bark of 5000 trees to make one kilogram of the drug. It follows, therefore, that continued production of the drug must inevitably lead to the ibore's extinction. Which of the following,if true, most seriously weakens the arguments above ?
A The drug made from the ibora bark is dispensed to doctors from a central authority
B The drug made from the ibora bark is expensive to produce
C The leaves of the ibora are used in a number of medical products
D The ibora can be propagated from cuttings and grown under cultivation
For treating the sewage of a large city, you will recommend
A A sedimentation tank and an activated sludge treatment plant
B A plant consisting of Imhoff tanks with low rate trickling filters
C Sedimentation tanks with high rate trickling filters
D None of these

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