A housing complex built by DLF consists of 30 large buildings and 50 small buildings. Each large building has 15 floors with 4 apartments on each floor and each small building has 10 floors with 3 apartments on each floor. How many apartments are there in all? 3 marks
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No.of apartments in small buildings = 14x14x3 = 588
No. of apartments in big buildings =25x12x2 = 600
No. of apartments in total=588+600 = 1188
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