Answer these questions based on the following information. An electronic goods store has 3 boxes of pen drives. The capacity of each pen drive is n GB, where n in N. The first box has 3 identical pen drives, each of 4 GB storage capacity, second box has 4 identical pen-drives, each of 2 GB storage capacity, and third box has 5 pen drives, each of varying or distinct storage capacities other than 2 GB and 4 GB. All the pen drives are of the same make, colour and design. Find the number of ways of selecting any 2 distinct pen drives .

Answer these questions based on the following information. An electro

1.	Answer these questions based on the following information. An electronic goods store has 3 boxes of pen drives. The capacity of each pen drive is n GB, where n in N. The first box has 3 identical pen drives, each of 4 GB storage capacity, second box has 4 identical pen-drives, each of 2 GB storage capacity, and third box has 5 pen drives, each of varying or distinct storage capacities other than 2 GB and 4 GB. All the pen drives are of the same make, colour and design. Find the number of ways of selecting any 2 distinct pen drives .
Answer» (A) 19 (B) 20 (C) 21 (D) 66 Answer :C