Subject
Quantitative Aptitude
Topic
Ratio
In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : If there is Tk. 30 in all, how many 5 p coins are there?
In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : If there is Tk. 30 in all, how many 5 p coins are there?
ক)
50খ)
100গ)
150ঘ)
200Explanation
Let the number of 25 p, 10 p and 5 p coins be x, 2x, 3x respectively. Then, sum of their values = Tk. {(25x/100) + (10 x 2x)/100 + (5 x 3x)/100} = Tk. (60x/100) So, 60x/100 = 30 => x = (30 x 100)/60 = 50. Hence, the number of 5 p coins = (3 x 50) = 150.Related questions
The ratio of two number is 3 : 5 and their sum is The greater of the two numbers is—729 ml of a mixture contains milk and water in ratio 7: How much of the water is to be added to get a new mixture containing half milk and half water?The ratio of two numbers is 3:4 and their sum is The greater of the two numbers isThe ratio between two numbers to 3:4 and their least common multiple is What is the first number?a container holds 4 quarts of alcohol and 4 quarts of water. How many quarts of water must be added to the container to create a mixture that is 3 parts alcohol to 5 parts water by volume?Two equal glasses are respectively one-third and one-fourth full of milk. They are then filled up with water and the contents are mixed in a tumbler. Ratio of milk and water in tumbler is:The present ages of A and B are as 6 : Five years ago their ages were in the ratio 5: Find their present ages.Gold is 19 times as heavy as water and copper is 9 times as heavy as water in what ratio should this be mixed to get an alloy r 15 times as heavy as water :