Instructions

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

Question 127

$$\frac{1}{13}\times\sqrt{(2704)}=84-?$$

Solution

Expression : $$\frac{1}{13}\times\sqrt{(2704)}=84-?$$

=> $$\frac{1}{13} \times 52 = 84 - x$$

=> $$4 = 84 - x$$

=> $$x = 84 - 4 = 80$$

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