• # question_answer Direction: Find the missing number/alphabet. 6 15 20 8 4 5 3 5 20 51 65 ? A) 55B) 75C) 100D) 120E) None of these

Explanation Option (d) is correct. In the first column, $6\times 8+3=51$ In the second column, $15\times 4+5=65$ $\therefore$ In the third column, missing number $=20\times 5+20=120$