Instructions

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

Question 146

$$64^{2}-36^{2}= ? \times 25$$

Solution

Expression : $$64^{2}-36^{2}= ? \times 25$$

=> $$(64 + 36) (64 - 36) = x \times 25$$

=> $$100 \times 28 = x \times 25$$

=> $$x = \frac{100 \times 28}{25}$$

=> $$x = 4 \times 28 = 112$$


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