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JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY
1
Hard
1 of 1
Application
+4 | -1
If is to be rounded off to and if is to be rounded off to . Here, and refer to
View answer and explanation
Correct option: A
Option A () is correct because it follows the rounding rules where if the rightmost digit to be removed is 5, the preceding even number remains unchanged, and the preceding odd number is increased by one.
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