The total drawings at the end of each quarter = rupee 9,000.
The average period for quarterly drawings = 7.5 months (or 7.5/12 years). \[ \text{Interest} = \text{Total Drawings} \times {Rate} \times {Time} \] \[ \text{Interest} = rupee 36,000 \times 6\% \times \frac{7.5}{12} = rupee 810 \]
If vector \( \mathbf{a} = 3 \hat{i} + 2 \hat{j} - \hat{k} \) \text{ and } \( \mathbf{b} = \hat{i} - \hat{j} + \hat{k} \), then which of the following is correct?