GMAT Problem Solving Quiz

The video tutorial covers four GMAT problems. Problem 59 involves calculating the selling price of a house using the real estate agent's commission. Problem 60 focuses on solving for x in a square root equation. Problem 61 deals with finding the number of integers between two values, r and s. Problem 62 calculates the number of club members aged 35 and above using given percentages. Each problem is solved step-by-step, demonstrating algebraic techniques and logical reasoning.

If a real estate agent receives a 6% commission on a house, and the selling price minus the commission is $84,600, what is the selling price of the house?

• $80,000

• $95,000

• $85,000

• $90,000

The selling price of a house is 250% of its original purchase price of $36,000. What is the selling price?

• $110,000

• $100,000

• $90,000

• $72,000

Given the equation √(x/y) = n, if yn = 10, what is the value of x?

• 100

• 75

• 50

• 125

If y = 40 and n = 1/4, what is the value of x in the equation √(x/y) = n?

• 400

• 100

• 200

• 300

How many integers are there between r and s if r - s = 10 and r and s are not necessarily integers?

• 9

• 10

• 11

• 8

If there are 9 integers between r+1 and s+1, how many integers are there between r and s?

• 10

• 9

• 8

• 7

If 3/4 of the members of club x are under 35 years of age, what fraction of the members are at least 35 years old?

• 1/3

• 1/4

• 1/2

• 2/3

If 64 women constitute 40% of club x's membership, what is the total membership of the club?

• 140

• 150

• 160

• 130

Using both statements, if 3/4 of club x members are under 35 and 64 women make up 40% of the club, how many members are at least 35 years old?

• 32

• 40

• 56

• 48

If 64 women are 40% of the club's membership, how many members are there in total?

• 140

• 150

• 160

• 130