Instructions

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

Question 125

$${(73)^3}$$ = ?

Solution
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Expression : $${(73)^3}$$

= $$73 \times 73 \times 73$$

= $$5329 \times 73 = 389017$$

Shortcut Method : We can find the last two digits of $$73^3$$, which is '17'

Thus, ans - (D)

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