Question

(iii). (11+20)(31+30)(11+20)(31+30)​

Answer 1

Question :-

• (iii). (11+20)(31+30)(11+20)(31+30)

Answer :-

• They are already grouped so we will directly find the answer .

• 11 + 20 = 31
• 31 + 30 = 61
• 11 + 20 = 31
• 31 + 30 = 61

=> ( 31 + 61 ) + ( 31 + 61 )

=> 92 + 92

=> 184

Hence ,

• The final answer is 184 .

Answer 2

$\huge\bf\green{\underbrace{\overbrace{Solution}}} \\ \\ \mapsto\textsf\blue{(11 + 20)(31 + 30)(11 + 20)(31 + 30)} \\ \leadsto\textsf\orange{(11 + 20) × (31 + 30) × (11 + 20) × (31 + 30)} \\ \leadsto\textsf\purple{31 × 61 × 31 × 61} \\ \\ \Rightarrow\textbf\green{Answer :- 35,75,881} \\ \\ \textbf\red{Hope it will help you...}$