Which one of the following is the greatest number of five digits divisible by $231$?

When a number is divided by $56,$ the remainder is $29.$ If the same number is divided by $8,$ then the remainder will be:

Simplify $\frac{(0.9743)^{3}-(0.0257)^{3}}{(0.9743)^{2}+(0.9743)(0.0257)+(0.0257)^{2}}$

Two-third of a positive number and $\frac{25}{216}$ of its reciprocal are equal. The number is

$A$ mason can build a wall in $70$ hours. After $7$ hours,he takes a break. What fraction of the wall is yet to be built?

The ten's digit of a two-digit number is greater than the unit's digit by $7$. If we subtract $63$ from the number,the new number obtained is formed by interchanging the digits. Find the number.