_______ is known as Quality

(√ 121 x 41) + (³√343 x √289  ) = ? x 19    

18² + 10 × 12 - ? = 312

18 × √225 + 378 ÷ √441 = ? × 9 

1*1/2 + 11*1/3 + 111*1/2 + 1111*1/3 + 11111*1/3 =?

What will come in the place of question mark (?) in the given expression?

737 + 149 - ?²- 367 = 14 X 25

Find the value of ‘x’ if (5 × 196 – 340 ÷ 17) ÷ 20 = √1600 – x.

What value should come in the place of (?) in the following questions?

?² = 240 * √25 + 38 * 5 - 94

(√784 ×20+ √4225 ×14)/(√1764 ×5) = ?

6² + 4³ + 625^(1/4) - ? = 10²