Q. 15

The product of successor and predecessor of 999 is
A. 999000

B. 998000

C. 989000

D. 1998

Answer :

Successor (number after) of 999 = 999+1 = 1000


Predecessor (number before) of 999 = 999-1 = 998


Product of successor and predecessor of 999 = 1000× 998


= 998000

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