Practicing Success
Practicing Success
CUET Preparation Today
The area of four walls of a rectangular hall having length 18 m and height 8 m is 448 m2. What is the breadth of the hall (in m)? |
10 9 8 7 |
10 |
Area of four walls = 2(bh + lh) = 2*(b*8 + 18*8) = 448 b*8 = 224 - 18*8 b = 28-18 = 10 The correct answer is Option (1) → 10 |
