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 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?
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)?
Alloy A contains 40% gold and 60% silver. Alloy B contains 35% gold and 40% silver and 25% copper. Alloys A and B are mixed in the ratio of 1:4 .What is the ratio of gold and silver in the newly formed alloy is?
Six coins of gold and silver of equal weights are melted and new coins are cast. The ratio of gold and silver in one of the coins is 2 : 1, in another two coins 3 : 5 and 7 : 5 in the remaining coins. What will be the ratio between gold and silver respectively in the new coins ?
An alloy contains gold and silver in the ratio 5 : 8 and another alloy contains gold and silver in the ratio 5 : 3. If equal amount of both the alloys are melted together, then the ratio of gold and silver in the resulting alloy is ?
Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer :

Statements : The Bank of England's move to auction 25 metric tons of gold drew plenty of bidders looking for a bargain, but was criticised by major gold producers worldwide.

Conclusions :
I. The Bank of England should not auction gold which it possesses to keep steady international prices of gold.
II. Bidders should quote higher gold prices to retain present value of gold in the international markets.
Consider the following statements.
1. Golden rice is vitamin A rich.
2. Replacement of faulty gene by normal gene is called gene therapy.
3. Transgenic organism carrying introduced foreign gene also called genetically modified organism.
Which of the statements given above are true?
S1: The role of the precious yellow metal is undergoing a dramatic change.
P: In developing countries like India, where gold is used mainly for ornaments, a distinct change in attitude is in the offing.
Q: Slowly, the use of gold in the form of ornaments will be on the decline and even if gold prices shoot up, women folk would not like to sell off their ornaments.
R: The yellow metal will soon be treated as an investment instrument.
S: The maxim, "Larger the gold reserves, richer the country" will not hold good for a long time.
S6: Again, it would not be an economic proposition to buy and sell gold ornaments as an instrument of investment as buying would be costlier and selling will be at a discount.

The Proper sequence should be:
Which of the following statements about gene therapy are correct?
P. Affected individuals, but not their progeny, can be cured through germline gene therapy.
Q. Affected individuals, as well as their progeny, can be cured through germline gene therapy.
R. Affected individuals, but not their progeny, can be cured through somatic gene therapy.
S. Affected individuals, as well as their progeny, can be cured through somatic gene therapy.