1-Find-the-principal-if-its-interest-in-3month-with-5-1-2-per-amount-is-Rs-66-2-The-length-of-arectangular-room-is-double-of-its-breadth-and-height-is-one-third-of-the-length-If-the-room-cont

Question Number 99829 by Mr.D.N. last updated on 23/Jun/20

1 . Find the principal if its interest in 3 month with 5 \frac{1}{2} % per amount is Rs . 66 .

2 . The length of arectangular room is double of its breadth and

height is one third of the length . If the room contains 972 cubic meter of air,

find the area of floor of the room .