MAH MBA CET Average, Ratio, and Proportions Questions

A barrel is initially filled with pure single malt whiskey. A distiller follows a process to infuse another type of whiskey by removing 10% of the barrel's contents and replacing it with blended malt whiskey. The distiller plans to sell the whiskey once the percentage of single malt drops below 65%. Determine the minimum number of times this operation must be performed.

The average age of a group of 6 sisters decreases by 12 years immediately when a pair of twins is born. What is the total age of all 8 siblings immediately after the birth of the twins?

An alcohol brand BE contains alcohol and water in ratio 3:5, and brand RE contains alcohol and water in ratio 4:1. In what ratio these two should be mixed such that the mixture has equal quantity of water and alcohol?

Rice types A, B, and C cost 30, 40, and 45 rupees per kg. In what ratio should a shopkeeper mix A:B:C to get a profit of 2.5 rupees when selling one kg of mixture at the price of type B?

A bartender initially serves the customer 60% concentrated alcohol. Every time the customer finishes 50% of the drink, the bartender refills it with a 20% solution up to the brim. After how many refills, will the alcohol concentration of the drink be less than 22%?

A dishonest tailor uses an incorrect measuring tape to get 10% more fabric while buying. He uses a different measuring tape that gives 20% less fabric than promised when selling. If the stated selling price is the same as the cost price, what is his overall profit or loss percentage?

Anisha shared 60% of her chocolate bars in the ratio 5:7 between her two cousins and kept the remaining bars for herself. Had she distributed the entire collection in the ratio 1:1:1 among her cousins and herself, she would have received 160 grams less chocolate. What was the total weight of the chocolate bars?

A company's stock price decreased by 20% on Monday, 50% on Tuesday, 3% on Wednesday, and increased by 50% on Thursday and 20% on Friday. What can be concluded about the stock price at the end of Friday compared to the beginning of Monday?

Anmol states, "18% of the first number is equivalent to 45% of the second number. What percentage of the second number does 63% of the first number represent?

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After distributing the sweets equally among 25 children, 8 sweets remain. Had the number of children been 28, 22 sweets would have been left after equal distribution. What was the total number of sweets?

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The owner of a boutique decides to calculate the percentage of customers who purchase hats. If 40 percent of the store's customers decide to purchase items, and of those customers 15 percent purchase hats, what percent of the store's customers purchase hats ?

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One quality of wheat at Rs. 9.30 per kg is mixed with another quality at a certain rate in the ratio 8 : 7. If the mixture so formed be worth Rs. 10 per kg, what is the rate per kg of the second quality of wheat?

The ratio of money with Rohan and Sohan is 3 : 4 and that with Sohan and Mohan is 3 : 7. If money with Sohan is Rs. 120, How much money does Mohan have?

Pure milk costs ₹16 per litre. After adding water the milkman sells the mixture ₹15 per litre and thereby makes a profit of 25%. In what respective ratio does he mix milk with water?

The cost of 8 kg of cashew nuts is equal to the cost of 50 kg of guavas. The cost of 19 kg of grapes is Rs. 456. The cost of 1 kg of guava is twice the cost of 2 kg of grapes. What is the total cost of 3 kg of cashew nuts and 4 kg of guavas together?

Four years ago a man was 6 times as old as his son. After 16 years he will be twice as old as his son. What is the present age of man and his son?

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In a mixture of 45 litres, the ratio of milk and water is 4 : 1. How much water must be added to make the mixture ratio 3 : 2?

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A candidate has to obtain minimum 33% of the total marks to pass. He got 25% of the total marks and failed by 40 marks. The maximum marks are

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In a cricket match ,five batsmen A, B, C, D and E. scored an average of 36 runs. D scored 5 more than E; E scored 8 fewer than A; B scored as many as D and E combined; and B and C scored 107 between them. How many runs did E score?

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At a dinner party every two guests used a bowl of rice between them, every three guests used a bowl of dal between them and every four used a bowl of meat between them. Them were altogether 65 dishes. How many guests were present at the party?