Q. The numbers 17.0145 and 21.0235 were rounded to three figures after the decimal point. The resulting numbers, respectively, are
A) 17.015 and 21.024
B) 17.014 and 21.023
C) 17.015 and 21.023
D) 17.014 and 21.024
Explanation
[Solution from source] When the dropped digit is exactly 5, the preceding digit is left unchanged if even and raised by one if odd. 17.0145 → 17.014 (4 is even); 21.0235 → 21.024 (3 is odd). Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.