RRB NTPC · Question 70

If 'A' means ‘+’, ‘S’ means ‘-’, ‘M’ means ‘×’, ‘D’ means ‘÷’, ‘B’ means ‘(’ and ‘F’ means ‘)’, then solve the following expression: B700A110S90FDB9M10S10F

1. A

   10

2. B

   90

3. C

   9

4. D

   7