• question_answer Direction: Find the missing number/alphabet. A) 625B) 225C) 156D) 25E) None of these

Explanation Option (a) is correct. The pattern is ${{\left( 2+3 \right)}^{2}}\text{ }=\text{ }25,\text{ }{{\left( 15+6 \right)}^{2}}=441,\text{ }{{\left( 10+7 \right)}^{2}}=289$ ${{\left( 13+12 \right)}^{2}}=625$