Question : The students of a class donated a sum of INR 2,809 to the Fund. Each student donated as many rupees as the number of students in the class. The number of students in the class is:

Option 1: 49

Option 2: 53

Option 3: 51

Option 4: 47

Question : After deducting 20% from a certain sum, and then 10% from the remainder, there is INR 7,200 left. Find the original sum.

Option 1: INR 9,000

Option 2: INR 10,000

Option 3: INR 7,500

Option 4: INR 7,800

Question : A sum (in INR) is distributed between A, B, and C in the ratio 9 : 6 : 11. If A gives INR 500 from his share to C, the ratio of shares of A, B, and C becomes 4 : 3 : 6. What is the sum of shares (in INR) of B and C, in the beginning?

Option 1: INR 8,500

Option 2: INR 9,100

Option 3: INR 7,800

Option 4: INR 7,500

Question : Sudeep invested $\frac{1}{8}$th of a certain sum at 5% p.a. for two years and $\frac{3}{5}$th of the sum at 6% p.a. for two years and the remaining at 10% p.a. for two years. If the total interest received is INR 1,674, then the total sum invested is:

Option 1: INR 13,000

Option 2: INR 12,000

Option 3: INR 10,500

Option 4: INR 12,500

Question : Two equal sums are lent at 8% and 4% simple interest p.a, respectively at the same time. The first sum is received 2 years earlier than the other and the amount received in each case is INR 14,500. Each sum is:

Option 1: INR 12,800

Option 2: INR 12,500

Option 3: INR 13,200

Option 4: INR 12,000