What is the number of children of age 9 years or less whose height does not exceed 135 cm?
A
48
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B
45
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C
3
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D
Cannot be determined
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Solution
The correct option is B 45 There are 45 children of height not exceeding 135 and 48 children of age not exceeding 9 yrs. Thus, all 45 children of heights not exceeding 135 will have age not exceeding 9 yrs.