GMAT Data Insights Practice Set 3 (Data Sufficiency)

Henry’s rent is 28% of his new annual salary. What is his monthly rent?

1. Henry received a 4% raise on January 1st.
2. Last year, his weekly gross paycheck was $1,200.

Dog A and Dog B weigh a combined 94 lbs. How much does Dog A weigh?

1. The weight of Dog A > Dog B.
2. Dog A weighs 10 pounds less than three times the weight of Dog B.

Ralph Opens a savings account and deposits $75 every Saturday for ten weeks. What was his starting balance?

1. His opening balance was doubled on the 7th Saturday.
2. His last deposit brought his balance to $1,375

Find the mean of the data.

1. The data follows an arithmetic sequence of integers with a common difference of 3.
2. The minimum integer in the dataset is -21 and there are 15 integers in the data set.

ACME Company sells a specific fan for a 30% profit. What is their cost?

1. The selling price is $23.40.
2. They get a 12% discount for buying in bulk.

Determine the price of two type A footballs if the total cost of a type A and a type B football is $500.

1. Type B football costs $200
2. Two type A and three type B footballs cost $1200

Find the value of r if 4r + 2t = 14

1. t  = 2
2. r > t

The ratio of water to alcohol in a 14 cup container is 2:5. Determine the new volume of the liquid in the container.

1. Water is increased by 14%.
2. Mixture whose ratio of water to alcohol is 4:5 is added to that in the container.

What is the area of a circle with a center at (4, -2)?

1. The line y = 11x – 1 is a tangent to the circle
2. The point (8, -2) is on the circle

What is the value of a + b + c?

1. 4a – 3b + 2c = 19
2. -3a – 10b – 5c = -37