The GST of an article is reduced from 12% to 5% and due to this, the price paid for the article is cut down by ₹ 14. The original price of the article is:

1. ₹ 50

2. ₹ 98

3. ₹ 100

4. ₹ 200

The mean of 1², 2², 3³ and 4⁴ is:

1. 24

2. 72

3. 144

4. 264

The roots of the quadratic equation 3x² = 6x is:

1. 0

2. 2

3. 0 and 2

4. 0 and 6