Related Questions

A certain dentist specializes in implanting gold and silver teeth in his patients mouths .He charges $ 650 for a gold tooth an $ 325. for a silver tooth. If his told fees for implanting gold and silver teeth last week were $ 15, 925 in total and he implanted five more gold teeth that silver teeth, how many teeth in total did he implant over the week?
A 33
B 32
C 31
D 34
The Head of a newly formed government desires to appoint five of the six elected members A,B,C,D,E and F to portfolios of Home,Power,Defence ,Telecom and Finance.F dose not want any portfolio if D gets one the five.C wants either Home or Finance or on portfolio.B says that if D gets either Power or Telecom then she must get the other one.E insists on a portfolio if A gets one. If a gets Home and C gets Finance,then which is NOT a valid assignment for Defence and Telecom?
A B-Defence,D-Telecom
B B-Defence,E-Telecom
C F-Defence,B-Telecom
D D-Defence,B-Telecom
Platinum and silver are corroded by
A Caustic soda solution
B Phosphoric acid
C Sulphuric acid (10%)
D None of these
In a rare coin collection, all coins are either pure gold or pure silver , and there is initially one gold coin for every three silver coins . With the addition of 10 more gold coins to the collection, the ratio of gold coins to silver coins is 1 to 2. Based on this information , how many total coins are there now in this collection (after the acquisition)?
A 40
B 50
C 70
D 90
A sum of TK. 53 is divided among A, B, C is such a way that A gets TK. 7 more than what B gets and B gets TK. 8 more than what C gets. The ratio of their shares is :
A 16:9:18
B 25:18:10
C 18:25:10
D 15:8:30
Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver)
A the gold piece will weigh more
B the silver piece will weighmore
C both silver and gold pieces weigh equal
D weighing will depend on their masses
Find out which quotation parts of the following sentences has an error. In recent 'years', automobile emissions 'have disfigured' stone 'carvings', corroded bronze monuments, and 'soil' ancient buildings.
A years
B have disfigured
C carving
D soil
Rubber lined vessels are corroded by the action of
A Aqua regia
B Chloroform
C Sulphuric acid (95%)
D All of the above
Gunmetal and bronze are not corroded by the action of
A Wet chlorine
B Synthetic detergent solution
C Hydrochloric acid (10%)
D Nitric acid (
Polythene (low or high density) containers are not corroded by
A Sulphuric acid (10%) at room temperature
B Nitric acid (95%) at room temperature
C Sulphur trioxide at 60°C
D Any of these

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