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 -
ক 5 : 8
খ 10 : 9
গ 8 : 5
ঘ 9 : 10
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?
ক 33
খ 32
গ 31
ঘ 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)?
ক 40
খ 50
গ 70
ঘ 90
The price of gold as well as silver___________ risen.
ক is
খ have
গ has
ঘ are
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?
ক 10d /p
খ 10p /d
গ d /10p
ঘ 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)
ক the gold piece will weigh more
খ the silver piece will weighmore
গ both silver and gold pieces weigh equal
ঘ weighing will depend on their masses
In the past year, there has been a large drop in the member of new cars sold due to harsh economic conditions in the market place and high taxes. At the same time, the average price paid for a new car has risen dramatically. Which of the following, if true, best explains the increase in the average price of a new car?
ক The price of used car has climbed steadily over the past ten years.
খ There will be tax reduction later in the year which is expected to aid moderate and low income families.
গ The market for expensive car has been unaffected by the current economic conditions.
ঘ Economic conditions are expected to get significant worse before the end of the year.
During a sale, a salesperson was putting a new price tag on each item. On one shirt, he accidentally raised the price by 15% instead of lowering the price by 15%. As a result the price on the tag was Tk. 60 higher than the price that would have been the discounted price. What was the original price of the shirt?
ক Tk. 220
খ Tk. 250
গ Tk. 150
ঘ Tk. 200
When the price of gold went up, a jeweler raised the prices on certain rings by 60%. On once ring however, the price was accidently reduced by 60%. By what percent must the incorrect price be increased to reflect the proper new price ?
ক High Definition Multilanguage Interface
খ High Definition Multimedia Interface
গ Highly Definate Multinational Integrity
ঘ Highly Defined Multimedia International
The price of a pen is 25% more than the price of a book . The Price of a pen holder is 50% more than the price of the book. How much is the price of the pen holder more than the price of the pen?
ক 50%
খ 25%
গ 20%
ঘ 37.5

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