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
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 tank contains 10,000 gallons of a solution that is 5 percent sodium chloride by volume. If 2500 gallons of water evaporate from the tank, the remaining solution will be approximately what percent sodium chloride?
A 1.25%
B 3.75%
C 6.25%
D 6.67%
The value of 10 pounds of gold is d dollars, and a pound of gold has the same value as p pounds of silver. what i the value, in dollars of one pound of silver?
A 10d /p
B 10p /d
C d /10p
D p/10d
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
Percentage of silver in German silver is
A 5
B 10
C 20
D 0
The air gap between the central electrode and ground (or side) electrode of a spark plug is around
A 0.2 mm
B 0.5 mm
C 1 mm
D 1.5 mm
The green colour seen in firework displays is due to the chloride salt of :
A Sodium
B Strontium
C Barium
D Calcium
A person travels I2 km due north, then 15 km due east after that I5km due west and then 18 km due south. How far B she from the starting point?
A 6km
B 10km
C 33km
D 60km
Silver gets corroded due to ________ in air.
A Oxygen
B Hydrogen Sulphide
C Carbon dioxide
D Nitrogen

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