[Math Revolution] Practice "Math Questions of the Day"

Question

To help you sharpen your math skills and hit your target score of Q49-51, we are sending you 4 math questions (2 DS, 2 PS) and solutions regularly.
These questions are the types of questions appearing in GMAT exam frequently.

Please Click the link for solutions.

Attachment:

Math Revolution Questions.png

Archit3110 · Answer

Q1.
#1 
1-6 nos know =<10 ; others not know insufficient
#2
last 6 known =>10 ; in sufficieint

from 1&2
we can combine and deteremine the median

Q2
#1
b+j+t= 540

#1
b= 175
so j+t = 365
but values of j & t not know; 
insufficient
#2
J= 180 ; i.e equal to median/avg of three height
sufficient
IMO B

Q3

sum of squares= 1/6 * n*(n+1)*(n+2)
n= 10
so sum of squares = 385

now given formula ; m= -1 and 
m^n+m^n+1+m^n+2+m^n+3
we will have odd & even powers raised to m
sum= -1+1-1+1 = 0
IMO C

Q4 
a=2, b=-2 c=3

substituting in given eqn
we get
2^4 * (-2)^-3 * 3^0
solve we get 
-2 
IMO A

NandishSS · Answer

Hey  bb   MathRevolution ,  pushpitkc   generis

How do I get  all      Practice "Math Questions of the Day  "? Is there any way I can search?

generis · Answer

NandishSS , I ran a search and browsed, but I do not see what you are looking for. That is, I do not see any "Math Questions of the Day" by in that group. On the search engine, we cannot use question (too common) or day (too short). I pulled all of the questions written by in PS. Start with FORUM SEARCH, HERE . 1) Type MathRevolution in the box indicated 2) Select PS PS questions MathRevolution search.JPG Scroll down. 3) Click Search PS questions MathRevolution search step3.JPG The results page looks like this one PS questions MathRevolution results first page.JPG But I cannot find this Question of the Day thing. I looked at six questions. None matched this one (whose date is today