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
A candy dealer makes up a mixture of 3 parts of candy costing him Tk. 60 per pound with 2 parts of candy costing him Tk. 70 per pound and 2 parts of candy costing him Tk. 50 per pound. At what price per pound should he sell his mixture to make a profit of 25 percent?
A Tk. 50
B Tk. 60
C Tk. 70
D Tk. 75
In country A, the first 1,000 dollar of any inheritance are untaxed. After the first 1,000 dollar, inheritances are taxed at rate of 65%. How large must an inheritance be, to the nearest dollar, in order to amount to 2,500 dollar after the inheritance tax?
A 7,143
B 5,286
C 4,475
D 3,475
Coffee A costs 75 cents per pound. It is mixed with Coffee B, which normally costs 80 cents per pound, to form a mixture that costs 78 cents per pound. If there are 10 pounds of the mix, how many pounds of Coffee A were used in the mix?
A 3
B 4
C 4.5
D 5
DHL charges Tk 2 for each pound for the first 20 pounds of package weight and Tk 1.5 for each pound or fraction of a pound over 20 pounds. How much will it charge to carry a package which weights 47/2 pounds?
A Tk 46
B Tk 45
C Tk 47
D Tk 8
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
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?
A Tk. 220
B Tk. 250
C Tk. 150
D Tk. 200
Half the graduating class of a college was accepted by a business school. One-third of the class was accepted by a law school. It one-fifth of the class was accepted by both types of school, what fraction of the class was accepted only by a law school?
A 2/15
B 1/6
C 1/3
D 1/2
The exchange rate is the ruling official rate of exchange of dollars for other currencies . It determines the value of American goods in relation to foreign goods. If the the dollar is devalued in terms of other currencies , American exports ( which are
A There are certain disadvantages for the United States economy attached to devaluation
B The prospect of devaluation results in a speculative outflow of funds
C By encouraging exports and discouraging imports, devaluation can improve the American balance of payments
D The difference between the exports and imports is called the trade gap
How many 3- pound weights are needed to balance twelve 4- pound weights?
A 16
B 48
C 12
D 13

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