Class XI students of a school wanted to give a farewell party to the outgoing students of class XII. They decided to purchase two kinds of sweets, one costing ₹ 250 per kg and the other costing ₹ 350 per kg. They estimated that 40 kg of sweets were needed. If the total budget for the sweets was ₹ 11800; find how much sweets of each kind were brought ?

If 3y - 2x = 1 and 3x + 4y = 24, the value of x and y are :

1. 3 and 4

2. 3 and 3

3. 4 and 4

4. 4 and 3

Solution of equation $\dfrac{2}{x} + \dfrac{3}{y}$ + 1 = 0 and $\dfrac{3}{x} + \dfrac{5}{y}$ + 2 = 0 is:

1. -1 and -1

2. -1 and -2

3. 1 and -1

4. none of these

In a two digit number, the sum of the digit is 11 and the tens digit minus unit digit is 5. The number is :

1. 38

2. 83

3. 29

4. 92