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
K produces 100 parts twice as fast as G does. G produces 100 parts in 40 minutes. If each produces parts at a constant rate, how many parts will K produces in 6 minutes.
A 30
B 25
C 20
D 15
The total population of 10 countries in the Asian zone is greater than the total population of 11 countries in the European zone. What can we say if one of the countries is dropped from the Asian zone ?
A Total population of the Asian zone will still be greater than the total population of the European zone
B Total population of the European zone will be greater than the total population of the Asian zone
C Total population of both zones will be equal
D We cannot say anything conclusively
Annealing ofwhite cast iron produces __________ iron.
A Grey
B Nodular
C Malleable
D Spheroidal
__________ of grey cast iron produces white cast iron.
A Tempering
B Rapid heating
C Rapid cooling
D Slow cooling
"the girl is meritorious , she must come of a rich come of a rich family. the speaker most probably assumes which of the following.?
A Girls from rich families look nice
B There is a direct relationship between merit and wealth
C Merit is an outcome of hard work
D Merit is measured by performance on exams .
Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have
A High shrinkage
B Less strength
C Both (A) and (B)
D None of above
The cost of producing rice in country Q is 10 percent less than the cost of producing rice in country Y. Even after transportation fees and tariff charges are added. it is still cheaper for a company to import rice form country Q to country Y than to produce rice in country Y? The statements above , if true , best support which of the following assertions?
A Labor costs in country Q are 10 percent below those in country Y .
B Importing rice from country Q to country Y is less than 10 percent of the cost of manufacturing rice in country Q .
C The fee for transporting rice from country Q to country Y is more than 10 percent of the cost of manufacturing rice in country Q .
D It takes 10 percent less time to manufacture rice in country Q than it does in country Y.

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