A 2 min read OG 2020: Question No. 304 If p, r, and s are consecutive integers in ascending order and x is the average (arithmetic mean) of the three integers, what is the value of x? Twice x is equal to the sum of p, r, and...

A 2 min read OGQR 2020: Question No. 102 Eight light bulbs numbered 1 through 8 are arranged in a circle as shown above. The bulbs are wired so that every third bulb, counting in a clockwise direction, flashes until all bulbs...

A 2 min read PQID = PS91602.01  | OGQR 2020: Question No. 86 If the smaller of 2 consecutive odd integers is a multiple of 5, which of the following could NOT be the sum of these 2 integers? SourceOGQR 2020TypeProblem...

A 2 min read PQID = DS49502.01 | OG 2020: Question No. 318 If x is an integer greater than 0, what is the remainder when x is divided by 4? The remainder is 3 when x + 1 is divided by 4.The remainder is 0 when 2x is divided by...

A 2 min read PQID: DS08091.01  GMAT Quant OG 2020 Solution: Question No. 377 A certain list, L, contains a total of n numbers, not necessarily distinct, that are arranged in increasing order. If L1 is the list consisting of...

A 2 min read OG 2020: Question No. 384 PQID = DS89950.01 7, 9, 6, 4, 5, x If x is a number in the list above, what is the median of the list? x > 7The median of the list equals the arithmetic mean of the list. SourceOG...

A 2 min read OG 2020: Question No. 310 What is the remainder when the positive integer n is divided by 5? When n is divided by 3, the quotient is 4 and the remainder is 1. When n is divided by 4, the remainder is 1.  ...

A < 1 min read OG 2020: Question No. 308 Is n equal to zero? The product of n and some nonzero number is 0. The sum of n and 0 is 0. Source OG 2020 Type Data Sufficiency Topic Number Properties Sub-Topic Basics Difficulty...