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 form
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 form
A). 20% and 30%
B). 36% and 44%
C). 25% and 35%
D). 49% and 36%
1 answers
Other Questions
1. Two vessels of equal volume contain milk and water in the ratio 1 : 3 and 2 : 1. If they are mixed together, what is the new ratio?
2. If A:B = $\frac{1}{2}:\frac{1}{3}$, B:C = $\frac{1}{5}:\frac{1}{3}$, then (A+B):(B+C) is equal to
3. A mixture of 30 litres contain milk and water in the ratio of 7 : 3. How much water should be added to it so that the ratio of milk and water becomes 3 : 7
4. Rs. 430 are divided amongst A, B, C so that 5 times A’s share, six times B’s share and nine times C’s share are all equal. Find C’s share.
5. The ratio of the ages of two persons is 4:7 and the age of one of them is greater than that of the other by 30 years. The sum of their ages (in years) is
6. If a carton containing a dozen glass is dropped, which of the following cannot be the ratio of unbroken glasses to broken glasses?
7. When a particular number is subtracted from each of 7, 9, 11 and 15, the resulting numbers are in proportion. The number to be subtracted is :
8. An amount of Rs. 107.25 is made up of 100p, 50p and 25p coins, the number of coins being in the ratio 5 : 6 : 7 respectively. How many coins are present in total?
9. The total number of students in a school is 5050. If the number of girls in the school is 2450, then what is the respective ratio of the total number of boys to the total number of girls in the school
10. Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:
