allery200 परिवारों के एक गाँव में, 120 परिवारों के पास गायें हैं और 90 के पास बकरियाँ हैं; 30 परिवारों के पास दोनों हैं। कितने परिवारों के पास इनमें से कोई भी पशु नहीं है?
A20
B10
C30
D40
Answer & Solution
Correct answer: A. 20
कम से कम एक पशु रखने वाले परिवार = 120 + 90 - 30 = 180, इसलिए 200 - 180 = 20 परिवारों के पास इनमें से कोई भी पशु नहीं है।
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