Q. 185
Determine the sum of the four numbers as given below:
(a) successor of 32
(b) predecessor of 49
(c) predecessor of the predecessor of 56
(d) successor of the successor of 67
Answer :
Successor of 32 = 32 + 1 = 33
Predecessor of 49 = 49 - 1 = 48
Predecessor of predecessor of 56 = predecessor of 56 - 1 = 56 - 1 - 1 = 54
Successor of successor of 67 = successor of 67 + 1 = 67 + 1 + 1 = 69
Hence, their sum,
= 33 + 48 + 54 + 69
= 204
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