Instructions

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

Question 130

74156 - ? - 321- 20 + 520 = 69894

Solution

Expression : 74156 - ? - 321- 20 + 520 = 69894

=> $$74676 - x - 341 = 69894$$

=> $$x = 74335 - 69894$$

=> $$x = 4441$$

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