The average of four consecutive odd numbers is 24. What is the average of the squares of the largest and the smallest of the four numbers?
correct answer:-5
The average weights of students in two sections of a class are 40 kg and 42 kg respectively. If the number of students in the two sections are in the ratio 3 : 4, find the average weight of the class.
correct answer:-4
Ram and Shyam started a business by investing Rs. 60000 and Rs. 40000 respectively at the start of the year. Ram withdrew Rs. 40000 after 6 months. They agreed to split the profit in the ratio of the average monthly investment basis. If they received Rs. 6000 as the profit at the end of the year, then find out Ram’s share in the profit?
correct answer:-5
A solution containing alcohol and water in the ratio 7 : 2 is mixed with twice the amount of another solution containing alcohol and water in the ratio 5 : 1. What is the percentage of alcohol in the final mixture?
correct answer:-5
A milk and water solution has milk and water in the ratio 4:1. After adding 40 ml of water the ratio of milk and water becomes 2:1. What is the total volume of the solution now?
correct answer:-3
Solutions A and B have concentrations of Sulphuric acid as 20% and 50% respectively. In what ratio must A and B be mixed to get a solution of concentration 40%?
correct answer:-2
A certain number of chocolates were distributed in a classroom containing 15 boys and 25 girls. The number of chocolates each boy gets is equal to 20% of the number of girls and the number of chocolates each girl gets is equal to 15% of the total number of students in the class. Find the total number of chocolates.
correct answer:-4
In an examination, a student is required to get 360 marks to pass in the exam. A student scores 32% of the maximum marks and is declared fail by 88 marks. Find the maximum marks a student can score.
correct answer:-3
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.
correct answer:-4
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?
correct answer:-1
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?
correct answer:-1
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?
correct answer:-3
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%?
correct answer:-4
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?
correct answer:-5
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?
correct answer:-3
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?
correct answer:-1
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?
correct answer:-3
DIRECTION for the question: Solve the following question and mark the best possible option.
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?
correct answer:-1
DIRECTION for the question: Solve the following question and mark the best possible option.
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 ?
correct answer:-2
DIRECTION for the question: Solve the following question and mark the best possible option.
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?
correct answer:-1