allery42 மரங்கள் உள்ள தோட்டத்தில், 3/7 வேப்ப மரங்கள், மீதமுள்ளவை மா மரங்கள். மா மரங்களின் எண்ணிக்கையைக் கண்டறியவும்.
A16
B20
C18
D24
Answer & Solution
Correct answer: D. 24
1.
வேப்ப மரங்கள் = (3/7) x 42 = 18.
2.
மா மரங்கள் = 42 - 18 = 24.
மாற்றாக (4/7) x 42 = 24.
3.
எனவே 24 மா மரங்கள் உள்ளன.
_ஆதாரம்: RRB Group D CEN-02/2018 PYQ, Q.35._
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