The width of each of 12 classes is 2.5. If the lower class boundary of the lowest class is 7.5, the upper class boundary of the highest class is:

CA Foundation · Quantitative Aptitude · MTP · September 2026
The width of each of 12 classes is 2.5. If the lower class boundary of the lowest class is 7.5, the upper class boundary of the highest class is:
(A) A. 35.0
(B) B. 37.5
(C) C. 40.0
(D) D. 42.5

Suggested Answer and Working Notes:

Correct Answer: Option (B)

B. 37.5

Topics: Part-C: Statistics

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