In 50 gm alloy of gold and silver , th...

In 50 gm alloy of gold and silver , the gold is `80%` by weight . How much gold should be mixed to this alloy so that weight of gold would become `95%` ?

200gm

150gm

50gm

10gm

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

ALLIGATION OR MIXTURES
KIRAN PUBLICATION|Exercise TYPE-III|16 Videos
ALLIGATION OR MIXTURES
KIRAN PUBLICATION|Exercise TYPE-IV|4 Videos
ALLIGATION OR MIXTURES
KIRAN PUBLICATION|Exercise TEST YOURSELF|27 Videos
ALGEBRA
KIRAN PUBLICATION|Exercise Test Yourself |25 Videos
ARITHMETICAL PROBLEMS
KIRAN PUBLICATION|Exercise TYPE-X|32 Videos

Similar Questions

Explore conceptually related problems

An alloy of gold and silver weighs 50 g.It contains 80% gold.How much gold should be added to the alloy so that percentage of gold is increased to 90?30backslash g b.40 g c.50backslash g d.60backslash

The ratio between the weights of gold and silver in the alloy is 17 : 3 . If the weight of silver in the alloy is 2.7 gm. Find the weight of gold in the alloy? (A) 12. 6 gm (B) 15. 3 gm (C) 18 gm (D) 21. 1 gm

Two alloys composed of gold and silver together weight 20 kg. One lump contains 75% gold and 31.25 gm per kg silver. Another alloy contains 85% gold and 30 gm per kg silver. The total quantity of silver in two lumps is 617.5 gm. If the two lumps are melted and formed into one, what percentage of gold will it contain ?

An article of jewellery of 35 gram made up of gold and silver and cost of the article is Rs. 13440 . If the weight of gold and silver is interchanged then the cost of the article becomes Rs. 9660 . If the cost of gold per gram be Rs. 540, find per gram cost of silver.

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?

KIRAN PUBLICATION-ALLIGATION OR MIXTURES-TYPE-II

An ore contains 25% of an Alloy, out of that 90% is iron. Besides, the...
Text Solution
|
In one litre of a mixture of alcohol and water, water is 30%. The amou...
Text Solution
|
One type of liquid contains 20% water and the second type of liquid co...
Text Solution
|
In 50 gm alloy of gold and silver , the gold is 80% by weight . How ...
Text Solution
|
The ratio in which two sugar solutions of the concentrations 15% and 4...
Text Solution
|
15 litres of a mixture contains alcohol and water in the ratio 1:4. If...
Text Solution
|
In an alloy there is 12% of cop per. To get 69 kg of copper, how much ...
Text Solution
|
In what ratio must 25% of alcohol be mixed with 50% of alcohol to get ...
Text Solution
|
20 litres of a mixture contains 20% alcohol and the rest water. If 4 l...
Text Solution
|
A sugar solution of 3 litres contain 60% sugar. One liter of water is ...
Text Solution
|
8 litres of water is added to 32 litres of a solution containing 20% o...
Text Solution
|
In what ratio wheat at Rs. 32 per kg should be mixed with wheat at Rs....
Text Solution
|
Solution A contains 10% acid and solution B contains 30% acid. In what...
Text Solution
|
A 120 litre mixture of milk and water contains 40% milk. How much milk...
Text Solution
|
A mixture contains 18% copper by weight. How much mixture an kg.) is r...
Text Solution
|
In what ratio must a mixture of 20% milk strength be mixed with that o...
Text Solution
|
In what ratio should 20% ethanol solution be mixed with 40% ethanol so...
Text Solution
|
5 litres of honey contains 80% sugar. 3 litres of water is added to th...
Text Solution
|
7 litres mixture of milk and water contains 30% water. 3.5 litres of m...
Text Solution
|
In what ratio must a mixture of 15% spirit strength be mixed with that...
Text Solution
|