In a Mathematics examination,the marks scored by $5$ candidates are $5$ successive odd integers. If their total marks are $185,$ the highest score is

In a division sum,the divisor is $4$ times the quotient and twice the remainder. If $a$ and $b$ are respectively the divisor and the dividend,then

$3 \frac{6}{7} + 6 \frac{1}{4} - 5 \frac{1}{3} + 2 \frac{1}{2} = ?$

The sum of seven numbers is $235$. The average of the first three is $23$ and that of the last three is $42$. The fourth number is

If $2 \frac{1}{2}$ is added to a number and the sum is multiplied by $4 \frac{1}{2}$,and $3$ is added to the product,and then dividing the sum by $1 \frac{1}{5}$,the quotient becomes $25$. What is the number?

Which fraction among $\frac{2}{3}$,$\frac{4}{5}$,and $\frac{7}{11}$ is the largest?