​$$\left[\left\{(1690-934) \times \frac{5}{6} +815 \right\} \div 17\right]$$​ equals:

Correct option is A

Given:

​$$\left[\left\{(1690-934) \times \frac{5}{6} +815 \right\} \div 17\right]$$​​

Formula Used:

​$$\left[\left\{(1690-934) \times \frac{5}{6} +815 \right\} \div 17\right]$$​

Solution:

​$$\left[\left\{(1690-934) \times \frac{5}{6} +815 \right\} \div 17\right]$$​​

​$$\left[\left\{(756) \times \frac{5}{6} +815 \right\} \div 17\right]$$​​

​$$\left[\left\{630 +815 \right\} \div 17\right]$$​​

​$$\left[\left\{1445 \right\} \div 17\right]$$​​

​$$= \frac{1445}{17} = 85$$​​