A dime weighs 2.268 grams, and a quarter weighs 5.670 grams.
Answer: Length of shorter side is 2.8 cm.
Explanation:
Since we have given that
Dimensions of a room are given by

On a plan, the longer side = 4 cm
As we know that the ratio of original room is equal to ratio of plan room
So,

So, length of shorter side is 2.8 cm.
I’m pretty sure a, d, e and f are correct :)