List of top Quantitative Aptitude Questions on Data Sufficiency

Read the Question given below and choose the option that is sufficient to answer the Question.
What is the monthly rent for a certain apartment ?
(1) The monthly rent per person for 4 people to share the rent for the apartment is \$375.
(2) The monthly rent per person for 4 people to share the rent of the apartment is \$125 less than the monthly rent per person for 3 people to share the rent.
In the following question below, 3 statements I, II and III are given. You are required to find out which of the given statement(s) is/are sufficient to answer the question. Question: How old was Arnav on October 30th 2018? Statement I: Arnav is 6 years older than his sister Ananya. Statement II: Ananya is 29 yrs younger than her mother, Deepali. Statement III: Deepali celebrated her 77th birthday on June 3rd 2018.