The product of successor and predecessor of 999 is:
999000
998000
989000
1998
The predecessor of 999 is 999-1=998The successor of 999 is 999+1=1000When 998×1000We get 998000Hence the correct answer is option B.
The product of predecessor and successor of 99 is:
Find the sum and difference of successor and predecessor of 999.
Question 15 The product of successor and predecessor of 999 is (A) 999000 (B) 998000 (C) 989000 (D) 1998