If for a perfectly competitive firm, price is Rs 7.2, output is 4500 units, average variable costs are Rs 1.2, and average total costs are Rs 4. The firm's profits are equal to
1). Rs 7200
2). Rs 9000
3). Rs 14400
4). Rs 19800
2. Select the related word/letters/number from the given alternatives.1331 : 11:: 13824 : ?
3. Find out the odd word/letters/number/number pair from the given alternatives.
4. Name the scientist who proposed the cell theory
5. If $x+\frac{1}{x}=\sqrt{3}$ , then the value of $x^{3}+\frac{1}{x^{3}}$ is equal to
6. International Date line passes through middle of __________ Ocean.