9.
If 1 is subtracted from the tens digit and 1 is added
to the unit digit in each of the given numbers, then
which of the following numbers will become the
Un
greatest?
381 376
387
368
328
381
B. 376
C. 387
D. 328
Answers
Answer:
376 is the answer because it is the answer
If 1 is subtracted from the tens digit and 1 is added to the unit digit in each of the given numbers, then the number 387 becomes the greatest.
Step-by-step explanation:
(1) The given numbers are:
381, 376, 387 and 328
(2) Now, we will subtract 1 from tens digit and add 1 to the units digit in each of the given numbers, which is done as follows:
381:
3 ↔ (8-1) ↔ (1+1)
The final number → 372
376:
3 ↔ (7-1) ↔ (6+1)
The final number → 367
387:
3 ↔ (8-1) ↔ (7+1)
The final number → 378
328:
3 ↔ (2-1) ↔ (8+1)
The final number → 319
(3) After subtracting and adding 1 from tens and units digit respectively, to each of the given numbers, the final numbers that we get are 372, 367, 378 and 319.
378 → is the greatest of all the numbers.
Thus, the required greatest number will be option (C): 387.
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