Related Questions

A bird under controlled diet is fed daily 300 grams of a mixture of two foods: food A and food B. Food A contains 10% protein and food B contains 15% proten. If the bird's diet provides exactly 38 grams of protein daily, how many grams of food A are there in the mixture?
A 100
B 140
C 150
D 160
A bird under controlled diet is fed daily 300 grams of a mixture of two foods; food A and food B, Food A contains 10% protein and food B contains 15% proten. If the bird's diet provides exactly 38 grams of protein daily. how many grams of food A are there in the mixture?
A 100
B 140
C 150
D 160
Bacteria that are not visualized microscopically by gram stain includes
A Borrelia
B Mycobacteria
C Chlamydia
D Yersinia
E Acinetobacter
Bacteria that can not be seen under microscope in Gram stain smear are
A Treponema palladium
B Mycobacterium leprae
C Mycoplasma pneumoniae
D Streptococcus pyogens
E Clostridium tetani
Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?
A 6.09%
B 10%
C 10.75%
D 21.5%
240 radioactive grams of goo loses half its radioactivity every 10 days. How many grams of radioactive goo is left in 40 days?
A 120
B 60
C 15
D none
A 30% solution is mixed with 10 grams of water to from a 20% solution. How many grams of the original solution did we start with ?
A 10
B 15
C 20
D 25
A glucose solution contains 15 grams of glucose per 100 cubic centimeters of solution . If 45 cubic centimeters of solution were poured into an empty container how many grams of glucose would be in the container?
A 5.00
B 5.50
C 6.50
D 6.75
A glucose contains 15 grams of glucose per 100 cubic centimeters of solution, If 45 cubic centimeters of solution were poured into an empty container, how many grams of glucose would be in the container?
A 5.50
B 6.50
C 6.75
The number of bacteria in a colony was growing exponentially . At 1 pm yesterday the number of bacteria was 1000 and at 3 pm yesterday it was 4000. How many bacteria were there in the colony at 6 pm yesterday ?
A 32,000
B 80,000
C 60,072
D 7,683

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