Category: Number Properties
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If p, r, and s are consecutive integers in ascending order and x is the average (arithmetic mean) of the three integers – OG 2020 Question #304 with Solution
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...
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GMAT Data Sufficiency – 3 Mistake Students make in Number Properties questions
A 7 min read Typical GMAT data sufficiency questions are followed by information in the form of...
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Properties of Numbers – Even & Odd | Prime | HCF & LCM
A 8 min read Hello Reader, We see that you want to know the basics and properties of numbers. You...
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GMAT Factorials – Variations in Factorial Manipulation
A 7 min read On the GMAT, Factorial is an interesting concept in number properties from which many...
Read MoreEight 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 have flashed once. If the bulb numbered 1 flashes first, which numbered bulb will flash last? – OGQR 2020 Question #102 with Solution
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...
Read MoreGMAT Quant OGQR 2020 Question #86 with Solution – “If the smaller of 2 consecutive odd integers…”
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...
Read MoreIs the average (arithmetic mean) of the numbers x, y, and z greater than z? – OG 2020 Question #320 with Solution
A 2 min read OG 2020: Question No. 320 Is the average (arithmetic mean) of the numbers x, y, and z greater than z? z ā x < y ā z x < z < y Source OG 2020 Type Data Sufficiency Topic Algebra, Number Properties Sub-Topic...
Read MoreGMAT Quant OG 2020 Question #318 with Solution – “If x is an integer greater than 0…”
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...
Read MoreGMAT Quant OG 2020 Question No. 370 with Solution-“If 2.00X and 3.00Y are 2 numbers in decimal form with thousandths digits…”
A 2 min read PQID = DS13841.01 | OG 2020 Question No. 370 If 2.00X and 3.00Y are 2 numbers in decimal form with thousandths digits X and Y, is 3(2.00X) > 2(3.00Y)? 3X < 2YX < Y ā 3 SourceOG 2020PQIDDS13841.01TypeData...
Read MoreGMAT Quant OG 2020 Question #377 with Solution – A certain list, L, contains… PQID: DS08091.01
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...
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