`16-2-:7+6xx2=?`

12/2-6xx3+8=16

21.6-:3.6xx2+0.25xx16-:4-6 is equal to :

What value will come in place of question mark (?) in the questions given below ? (16-6xx2+3)/(23-3xx2)=?

(343xx49)/(216xx16xx81)=?(7^(5))/(6^(7))b*(7^(5))/(6^(8))c*(7^(6))/(6^(7))d*(7^(4))/(6^(8))

What should come in place of both the question marks in the following equation? (128-:16xx?-7xx2)/(7^(2)-8xx6+?^(2))=1

(343xx49)/(216xx16xx81)=?(7^(5))/(6^(7))(b)(7^(5))/(6^(8))(c)(7^(4))/(6^(7)) (d) (7^(6))/(6^(7))(e) None of these

Find the value of 16+8-:4-2xx3 2. 28-5xx6+2

Find the value of 16+8-:4-2xx3 2. 28-5xx6+2

Evaulate: 11xx3xx2-:6xx7