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
Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is
A Neutralised by alkali treatment
B Left as such without any treatment
C Diluted with fresh water to reduce its acidity
D None of these
Rahim ranks seventh from the top and twenty-sixth from the bottom in class . How many students are there in the class ?
A 32
B 33
C 34
D 31
Nitin ranks 23rd from the top in a class of 42. What will be his rank from the last?
A 25th
B 20th
C 27th
D 23rd
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.
The cost of producing Garment in Country Q is ten percent less than the cost of producing Garment in Country Y, Even after transportation fees and tariff charges are added,it is still cheaper for a company to import Garment from Country Q to Country Y than to produce Garment in Country Y". The statement above, if true, best support which of the following assertions?
A Importing Garment from Country Q to Country Y will eliminate ten percent of new manufacturing jobs in Country Y.
B The tariff on a Garment imported from Country Q to Country Y is less than ten percent of the cost of manufacturing the Garment in Country Y.
C The fee for transporting Garment from Country Q to Country Y is more than ten percent of the cost of manufacturing the Garment in Country Q.
D It takes ten percent less time to manufacture a Garment at Country Q than it dos in Country Y.
In Rio Olympics 2016 which country finished at the top of the table with gold medals?
A United States
B China
C Great Britain
D Russia
The country which ranks second in terms of land area is :
A China
B Canada
C Russia
D USA

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