The Hardest Problem Solving Questions As July 2023
We have pulled timer results from our database and analyzed every question in the forum. Based on those results, we have compiled a list of the hardest quantitative comparison questions. These questions represent those as July of the current year 2023
Problem Solving Questions JanJuly 2023 
#  Question
 Difficulty
 Topic
 Source

1  A colony has houses numbered 1 to 150. Three guards, Tim, Jack and John  Medium  Divisibility/Multiples/Factors  Jamboree 
2  A flat square picture represented by the unshaded region  Hard  Geometry  Jamboree 
3  If d = 123.1245 and  Medium/Hard  Numbers Properties  Jamboree 
4  How many positive integers less than 100 leave a remainder of 1  Medium/Hard  Remainders  Jamboree 
5  In the figure above, A and B are the centers of the two circles  Medium/Hard  Geometry  Jamboree 
6  Flooring is done in a certain building in a certain pattern which involves  Medium/Hard  Numbers Properties  Jamboree 
7  If M is a product of first 5 positive multiples of 5 whereas  Medium  Numbers Properties  Jamboree 
8  For any integer n greater than 1, n! denotes the product  Medium  Numbers Properties  Jamboree 
9  A natural number N is a multiple of 5. If N is divided by 6  Medium/Hard  Numbers Properties  Jamboree 
10  In trapezium ABCD, AB  CD and AC = BD.  Hard  Geometry  Jamboree 
11  A pomegranate grower packages pomegranates in 10pound  Medium/Hard  Overlapping Set  Jamboree 
12  In the figure above, what is the area of square ABDE ?  Medium/Hard  Geometry  Princeton Review 
13  If in the triangle shown above all three interior angles  Hard  Geometry  Jamboree 
14  If (ab)(bc)/ac  Medium  Arithmetic  Jamboree 
15  The cost of making a gold necklace is $10 less than four  Medium  Word Problem  Jamboree 
16  Wilson bought a microwave oven for x dollars,  Medium/Hard  Word Problem  Jamboree 
17  In a certain list of Government and private banks  Medium/Hard  Overlapping Set  Jamboree 
18  For how many positive integer values of x, the inequality  Medium/Hard  Inequalities  Jamboree 
19  If the cost of 8 cups varies between $1.2 and $1.8,  Medium  Word Problems  Others, Please Specify 
20  If ab < 0, which of the following must be true?  Medium/Hard  Distance/Rate  Jamboree 
21  If x can be any of the 5 points A, B, C, D and E  Medium/Hard  Absolute Values/Modules  MGRE 
22  If a + b < 0 and a + 2b = 3, then which  Hard  Inequalities  Jamboree 
23  3*4/7+1/2/3/2/34/7  Medium  Fractions/Ratios/Decimals  Others, Please Specify 
24  If x is equal to the sum of the even integers from 40 to 60 inclusive  Hard  Statistics and Sets Problem  Others, Please Specify 
25  S represents the sum of the weights of n fish in pounds.  Hard  Statistics and Sets Problem  Others, Please Specify 
26  Jorge has 5 quarters and 3 nickels.  Hard  Probability  MGRE 
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