Related Questions

Given that, 24 carat gold is pure gold, 18 carat gold is 3/4th of pure gold and 20 carat gold is 5/6th of pure gold, the ratio of the pure gold in 18 carat gold to the pure gold in 20 carat gold is -
A 5 : 8
B 10 : 9
C 8 : 5
D 9 : 10
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 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 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
The value of gold is determined in
A Rome
B Washington
C Tehran
D London
This necklace is made by gold. বাক্যে "gold" শব্দটি
A Proper noun
B Common noun
C Collective noun
D Material noun
This ring is made of gold --বাক্য ' gold' শব্দটি কোন প্রকারের Noun?
A Common noun
B Collective noun
C Material noun
D Abstract noun
"The ring is made of gold.' Here gold is-
A Abstract noun
B Proper noun
C Material noun
D Common noun
This necklace is made of gold বাক্যে 'gold' শব্দটি কোন প্রকারের Noun ?
A Proper Noun
B Common Noun
C Collective Noun
D Material Noun
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

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