Question rating by month
1	If all the N students of a class are classified into groups of either	1171
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	1105
6	n and k are positive integers. When n is divided by 23, the quotient i	1093
7	P and Q are prime numbers less than 70. What is the units digit of P*Q	1082
8	If, in the addition problem above, a, b, c, d, e, f, x, y, a	1051
9	There is a sequence, 4(10^n), 4(10^(n-1)), ..., 4(10^(n-m)), for posit	1049
10	A three digit number A with hundreds digit a, tens digit b and units	1043
11	For positive integers n and m (n>m), is the average (arithmetic mean)	1043
12	Superfast train A leaves Newcastle for Birmingham at 3 PM and travels	1019
13	Bob and Wendy left home to walk together to a restaurant for	988
14	If x, y and z are positive integers such that x^4*y^3 = z^2	965
15	Set X consists of 9 positive elements. Set Y consists of the	934
16	A certain diet program calls for eating daily calories from	926
17	There are N men in a group. Their average age is 20 years. Find N.	919
18	If John deposited 1000$ in a certain bank account, where the interest	900
19	In the correctly worked addition problem above, M, N, R, S, T and V	854
20	Merle's spare change jar has exactly 16 U.S. coins, each of which is a	854
21	If p and k are non-negative distinct integers, then is p^{18} . . . .	844
22	GMAT Club World Cup 2022 (DAY 10): On a joint company picnic, 160	840
23	GMAT CLUB OLYMPICS: If x is a non-zero integer, what is the value	838
24	If x is a prime number, what is the value of x + c?	823
25	Each correctional facility in a certain state has the same number of	820