1.Which type of operation involves calculating the probability related to interest rates?
2.What is the probability that the total number of dots shown after rolling a die twice equals 8?
3.A class has a ratio of males to females of 3 to 5. If there are 24 students in total, how many of them are female?
4.One number is 5 greater than another number. If their total is 19, what is the smaller number?
5.Ahmed buys a watch priced at Rs 600 and is required to pay a 15% sales tax. What is the total amount he has to pay?
6.Identify two numbers whose sum equals 28 and whose difference is 4.
7.Three flags, each of a distinct color, are used in a military drill to create different signaling codes by waving:
I. A single flag of any color
II. Any two flags in a specific order
III. All three flags in various sequences
What is the maximum number of unique codes that can be formed?
8.Three partners A, B, and C invest Rs. 40,000, Rs. 80,000, and Rs. 1,20,000 respectively in a business. At the end of the first year, B withdraws Rs. 40,000, and at the end of the second year, C withdraws Rs. 80,000. What will be the ratio of their profit sharing after 3 years?
9.A started a business by investing Rs. 85,000. Later, B joined with an investment of Rs. 42,500. For how many months did B invest if the profit sharing ratio at the end of the year is 3:1 in favor of A and B respectively?
10.Three partners A, B, and C invest Rs. 40,000, Rs. 80,000, and Rs. 1,20,000 respectively in a business. After one year, B withdraws Rs. 40,000, and after two years, C withdraws Rs. 80,000. What will be the profit-sharing ratio among A, B, and C at the end of three years?
11.Ameen invested Rs. 70,000 to start a business. After six months, Rahim joined with Rs. 1,05,000, and another six months later, Sameer entered the business with Rs. 1,40,000. After three years from Ameen's initial investment, in what ratio should the profit be divided among Ameen, Rahim, and Sameer?
12.A and B started a business partnership by investing Rs. 20,000 and Rs. 15,000 respectively. After six months, C joined the partnership with an investment of Rs. 20,000. If the business earns a total profit of Rs. 25,000 at the end of 2 years from the start, what amount will B receive as his share of the profit?
13.Sameena launched a software company by investing Rs. 50,000. After half a year, Nida joined the business with an investment of Rs. 80,000. After 3 years, the business made a total profit of Rs. 24,500. What amount of the profit belongs to Sameena?
14.Kamal invested Rs. 9000 to start a business. After five months, Sameer joined by investing Rs. 8000. If the total profit at the end of one year is Rs. 6970, what amount of profit will Sameer receive?
15.A, B, and C form a partnership by investing Rs. 35,000, Rs. 45,000, and Rs. 55,000 respectively. If the total annual profit is Rs. 40,500, what are the individual profit shares of A, B, and C?
16.Anees and Raees invested Rs. 22,500 and Rs. 35,000 respectively to start a business. If the total profit earned is Rs. 13,800, what amount does Raees receive as his share?
17.P and Q invested Rs. 85,000 and Rs. 15,000 respectively to start a business. After two years, in what ratio should the profit be shared between P and Q?
18.X and Y commenced a business with investments of Rs. 20,000 and Rs. 25,000 respectively. After several months, Z invested Rs. 30,000 into the business. If the total profit for the year is Rs. 50,000 and Z's portion of the profit is Rs. 14,000, how many months after the start did Z become a partner?
19.P and Q invested Rs. 4 lakhs and Rs. 10 lakhs respectively to start a business. P manages the business and receives a monthly salary of Rs. 5,000. If the total profit at the end of the year amounts to Rs. 2 lakhs, what is the ratio of their final earnings?
20.Four car rental companies A, B, C, and D rented a parking area for their vehicles overnight. Company A parked 15 cars for 12 days, B parked 12 cars for 20 days, C parked 18 cars for 18 days, and D parked 16 cars for 15 days. If company A paid Rs. 1125 as the rent for parking, what is the combined rent paid by all four companies?