alleryसंच A मध्ये 15 घटक आहेत आणि तो पूर्णपणे संच B च्या आत आहे, ज्यामध्ये 25 घटक आहेत. A किंवा B मध्ये किती घटक आहेत?
A40
B15
C25
D10
Answer & Solution
Correct answer: C. 25
A चा प्रत्येक घटक आधीच B मध्ये आहे, त्यामुळे संयोग म्हणजेच संच B चे 25 घटक आहेत.
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