For the following questions answer them individually
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 milkman mixes 2 litres of water for every 6 litres of milk. The cost price of 1 litre of milk is Rs. 80. He marks up the price of the milk by 20% and gives a discount of 10% to the customers. Find the net profit percentage of the milkman.(Assume the cost of water to be negligible)
A book was sold at a price of 450 rupees after giving a discount of 25%. Instead of giving a discount, if the book seller sold it at a premium of 12.5%, find the selling price of the book.
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?
While selling, a shopkeeper uses a weighing machine that shows 20% more than the actual weight and uses a normal machine while buying. He buys 50 gm of dal for Rs. 2 and a customer buys 24 gms for Rs. 1. If he professes to sell 24 gms, what is his profit percentage ?
The selling price of 12 pens is equal to the cost price of 15 pens. If the selling price is increased by 10%, what would be the next profit percentage on selling one pen?
Anul took a certain amount on a loan from the bank at 15% simple interest. He invests the amount in two halves at interest rates of 10% and 20% compounded annually. Anul takes his investments out after two years and pays back the bank's principal amount and interest. Investing the remaining amount at 20% compound interest rate (annually). What would be Anul's net profit percentage after 3 years since he first borrowed the amount from the bank?
Aman lends Rs.1,00,000 to Raghu at a rate of 20% compounded annually. At the same time, Ram lends Rs. 1,00,000 to Aman at a rate of 15% simple interest. Find the net profit for Aman, if both Raghu and Aman pay back the entire amount after 3 years.
Kushal borrowed ₹82,000 from HSBC under a unique repayment scheme. He plans to repay the loan over two years, with the payment at the end of the second year being three times the amount paid at the end of the first year. Given that the interest rate is 10% compounded annually, calculate the total interest paid over the two years.