Let \( T_r \) be the \( r^{\text{th}} \) term of an A.P. If for some \( m \), \( T_m = \dfrac{1}{25} \), \( T_{25} = \dfrac{1}{20} \), and \( \displaystyle\sum_{r=1}^{25} T_r = 13 \), then \( 5m \displaystyle\sum_{r=m}^{2m} T_r \) is equal to:
Find the missing number in the table.
Below is the Export and Import data of a company. Which year has the lowest percentage fall in imports from the previous year?
DIRECTIONS (Qs. 55-56): In the following figure, the smaller triangle represents teachers; the big triangle represents politicians; the circle represents graduates; and the rectangle represents members of Parliament. Different regions are being represented by letters of the English alphabet.
On the basis of the above diagram, answer the following questions: