Question

Predict which digit will change when you add and subtract 1, 10, 100 and 1000.
A. 4567
B. 3245
C. 2334
D. 3456
E. 1239
F. 4356
G. 2355
H. 3978

Answer 1

Answer

i think it is 2355

2355+1=2356

2356-1=2355

2355+10=2365

2365-10=2355

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