BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem
TTP OnDemand GMAT Video Course
Featured Course

Target Test Prep GMAT OnDemand

Scott Woodbury-Stewart’s private virtual classroom — 400 hours of master-class video lessons for the GMAT Focus Edition.

  • 715+ score guarantee — highest in the industry (99th percentile)
  • 52 chapters · 1,500+ lessons · 4,000+ practice questions
  • 400 hours of video · 1,500+ instructor-led HD smartboard lessons
  • 300,000+ students accepted to Harvard, Stanford, Wharton, Booth & Sloan & more
  • 24/7 live support + weekly Zoom office hours with GMAT instructors
  • TTP AI Assist — 24/7 AI-powered virtual tutor for instant help
  • 1,200+ flashcards + AI-powered study assistant & daily calendar
  • OnDemand, LiveTeach & GMAT Bootcamp formats available
  • Also: GRE, SAT Math & Executive Assessment courses
  • MBA Admissions Consulting now available
  • 🏆 2025 EdTech Breakthrough Award: Test Prep Solution Provider of the Year
  • 200,000+ students served
  • 5-day free trial — $0 to start, no auto-billing, cancel anytime
★★★★★ 5.0 (559 reviews)
130-pt guarantee
$0 to start then $127/mo
Start Free 5-Day Trial Read 559 Reviews →

In a retail store, the average (arithmetic mean) sale for month \(M\) was \(d\) dollars. Was the average (arithmetic mea

Expert replies
Post new topic Post Reply
Previous Topic Next Topic
Legendary Member
Posts: 2276
Joined: Sat Oct 14, 2017 6:10 amFollowed by: 3 members
by VJesus12 » Sun Aug 15, 2021 12:42 am

Timer

00:00

Answers

A

B

C

D

E

Stats

Difficulty—

In a retail store, the average (arithmetic mean) sale for month \(M\) was \(d\) dollars. Was the average (arithmetic mean) sale for month \(J\) at least \(20\) percent higher than that for month \(M?\)

(1) For month \(M,\) total revenue from sales was \(\$3,500.\)
(2) For month \(J,\) total revenue from sales was \(\$6,000.\)

Answer: E

Source: Veritas Prep
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Source: — Data Sufficiency |
User avatar
Master | Next Rank: 500 Posts
Posts: 138
Joined: Sat May 05, 2012 7:03 pm
Thanked: 1 times

Re: In a retail store, the average (arithmetic mean) sale for month \(M\) was \(d\) dollars. Was the average (arithmetic

by gmatter2012 » Mon Sep 13, 2021 8:19 pm
VJesus12 wrote: ↑
Sun Aug 15, 2021 12:42 am
 In a retail store, the average (arithmetic mean) sale for month \(M\) was \(d\) dollars. Was the average (arithmetic mean) sale for month \(J\) at least \(20\) percent higher than that for month \(M?\)

(1) For month \(M,\) total revenue from sales was \(\$3,500.\)
(2) For month \(J,\) total revenue from sales was \(\$6,000.\)

Answer: E

Source: Veritas Prep
1) cleary INSUFF as we do not know anything about month J
2) Cleary INSUFF as we do not know anything about month M

1+2
Although it seems together we can answer the question, we must remember that a month can be of 30 or 31 days. Since we do NOT know how many days either M or J has we cannot calculate the average correctly , and hence we cannot answer this question.

Ans- E
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Post new topic Post Reply
• Page 1 of 1