Size of pointer is 8 bytes and that the hash table is an array of pointers to words.
Word is seven characters and that it is possible to store words of length L in (L + 1) i.e. 7+1 = 8 byte for each word.
Size of Hash Table is 10,000 entries. Each entry size is 8 byte. Total size = 10,000*8 = 80,000
No of words is 10,000. Space required to store 10,000 word is 10,000*8 = 80.000
Total space required for dictionary and Hash Table = 80.000 + 80,000 = 1.60.000 Byte