Instructions

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

Question 24

[(3$$\sqrt{8}$$+ $$\sqrt{8}$$ ) (8$$\sqrt{8}$$ + 7$$\sqrt{8}$$ )] - 98 = ?

Solution

[ $$\sqrt{8}$$ (3 +1) x $$\sqrt{8}$$(8 + 7)] - 98
= [4$$\sqrt{8}$$ x 15 x $$\sqrt{8}$$ ] - 98
= [60 x $$\sqrt{8}$$] - 98
= 480 - 98 = 382

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