What will be the ratio of the two parallelogram which lie on the same base and between the same parallels?

Dear Student,

The ratio of area of parallelograms on same base and between same parallel lines is 1:1. Please refer the following link for 
the proof of the above problem.

https://www.meritnation.com/ask-answer/question/parallelograms-on-the-same-base-and-between-the-same-para/math/10004007

Regards,