Last visit was: 22 Apr 2026, 02:55 It is currently 22 Apr 2026, 02:55
Close
GMAT Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Close
Request Expert Reply
Confirm Cancel
User avatar
RenB
Joined: 13 Jul 2022
Last visit: 02 Mar 2026
Posts: 389
Own Kudos:
1,468
 [16]
Given Kudos: 304
Location: India
Concentration: Finance, Nonprofit
GMAT Focus 1: 715 Q90 V84 DI82
GPA: 3.74
WE:Corporate Finance (Consulting)
Kudos
Add Kudos
16
Bookmarks
Bookmark this Post
User avatar
Vibhatu
Joined: 18 May 2021
Last visit: 19 Jan 2026
Posts: 185
Own Kudos:
Given Kudos: 187
Posts: 185
Kudos: 55
Kudos
Add Kudos
Bookmarks
Bookmark this Post
User avatar
gmatophobia
User avatar
Quant Chat Moderator
Joined: 22 Dec 2016
Last visit: 19 Apr 2026
Posts: 3,173
Own Kudos:
11,445
 [4]
Given Kudos: 1,862
Location: India
Concentration: Strategy, Leadership
Posts: 3,173
Kudos: 11,445
 [4]
4
Kudos
Add Kudos
Bookmarks
Bookmark this Post
User avatar
rajatchopra1994
Joined: 16 Feb 2015
Last visit: 22 Jun 2024
Posts: 1,052
Own Kudos:
1,305
 [3]
Given Kudos: 30
Location: United States
Posts: 1,052
Kudos: 1,305
 [3]
3
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Vibhatu , option1: x+y+z+a = 40
0.05x + 0.1y+ 0.5z + a = 16.5
y=z
Final equation:
x + 12z + 20a = 330
x + 2z + a = 40

Solving above equations:
10z + 19a = 290

z and a will be 10.

So Option A is sufficient

Posted from my mobile device
User avatar
Ratikainen
Joined: 25 Apr 2024
Last visit: 11 Apr 2025
Posts: 10
Own Kudos:
13
 [1]
Given Kudos: 23
Posts: 10
Kudos: 13
 [1]
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Another day another trap.
Got me good!
User avatar
bumpbot
User avatar
Non-Human User
Joined: 09 Sep 2013
Last visit: 04 Jan 2021
Posts: 38,957
Own Kudos:
Posts: 38,957
Kudos: 1,117
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Automated notice from GMAT Club BumpBot:

A member just gave Kudos to this thread, showing it’s still useful. I’ve bumped it to the top so more people can benefit. Feel free to add your own questions or solutions.

This post was generated automatically.
Moderators:
Math Expert
109740 posts
498 posts
211 posts