Question rating by month
1	If all the N students of a class are classified into groups of either	1167
2	A car dealership carries only sedans and SUVs	1140
3	In the correctly worked addition problem above, A, B, C, D	1138
4	Train A leaves New York for Boston at 3 PM and travels at	1136
5	The number of elements in set K is an odd number. The minimum value of	1095
6	n and k are positive integers. When n is divided by 23, the quotient i	1094
7	P and Q are prime numbers less than 70. What is the units digit of P*Q	1081
8	If, in the addition problem above, a, b, c, d, e, f, x, y, a	1052
9	Superfast train A leaves Newcastle for Birmingham at 3 PM and travels	1019
10	Bob and Wendy left home to walk together to a restaurant for	987
11	x, y are positive integers. Find the number of even factors of 4x^2	950
12	In the correctly-worked multiplication problem above, each symbol repr	938
13	Set X consists of 9 positive elements. Set Y consists of the	930
14	A certain diet program calls for eating daily calories from	927
15	There are N men in a group. Their average age is 20 years. Find N.	906
16	How many subordinates does Marcia have?	888
17	The difference between positive two-digit integer A and the smaller tw	879
18	In the correctly worked addition problem above, M, N, R, S, T and V	855
19	Merle's spare change jar has exactly 16 U.S. coins, each of which is a	854
20	GMAT Club World Cup 2022 (DAY 10): On a joint company picnic, 160	845
21	GMAT CLUB OLYMPICS: If x is a non-zero integer, what is the value	834
22	Is positive integer p even?	817
23	If positive integer n<=3 and n is the number of times a coin is flippe	813
24	The sum of the integers in list S is the same as the sum of the intege	807
25	The GMAT is scored on a scale of 200 to 800 in 10 point incr	804