On a street with 30 house, 10 house have fewer than 4 rooms 14 houses have more than 5 rooms and 6 houses have more than 6 rooms what is the total number of hoses on the street that are either 4, 5 or 6 room houses?

Question

On a street with 30 house, 10 house have fewer than 4 rooms 14 houses have more than 5 rooms and 6 houses have more than 6 rooms what is the total number of hoses on the street that are either  4, 5 or 6 room houses?

Accepted Answer

সঠিক উত্তর: 20। ব্যাখ্যা: