alleryநரேஷ் மேலிருந்து 7-வது தளத்திலும், கீழிருந்து 9-வது தளத்திலும் வசிக்கிறார். அவரது கட்டடத்தில் எத்தனை தளங்கள் உள்ளன?
A17
B14
C16
D15
Answer & Solution
Correct answer: D. 15
அவரது சொந்த தளம் இரண்டு எண்களிலுமே கணக்கிடப்படுகிறது, எனவே மொத்தம் 7 + 9 - 1 = 15 தளங்கள் ஆகும்.
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