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19 May 2021, 08:00
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
57% (02:11) correct
43%
(02:07)
wrong
based on 136
sessions
History
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Not Attempted Yet
A certain store sells two models of cellular phones, M1 and M2, and offers two telecommunication programs, P1 and P2. Every cellular phone is sold together with one of the two telecommunication programs. Yesterday, the store sold 8 pieces of the M2 model. In addition it sold 13 pieces of the M1 model together with the P1 program. How many cellular phones (of both brands) did the store sell yesterday?
(1) Yesterday, the store sold 20 pieces of the M1 model.
(2) A quarter of the cellular phones sold yesterday were M1 models sold together with the P2 program.
(A) Statement 1 alone is sufficient, but statement 2 alone is not.
(B) Statement 2 alone is sufficient, but statement 1 alone is not.
(C) Both statements together are sufficient, but neither alone is sufficient.
(D) Each statement alone is sufficient.
(E) Neither statement is sufficient, even when combined.
(1) Yesterday, the store sold 20 pieces of the M1 model.
(2) A quarter of the cellular phones sold yesterday were M1 models sold together with the P2 program.
(A) Statement 1 alone is sufficient, but statement 2 alone is not.
(B) Statement 2 alone is sufficient, but statement 1 alone is not.
(C) Both statements together are sufficient, but neither alone is sufficient.
(D) Each statement alone is sufficient.
(E) Neither statement is sufficient, even when combined.
Updated on: 26 May 2021, 12:31
Originally posted by TestPrepUnlimited on 22 May 2021, 13:07.
Last edited by TestPrepUnlimited on 26 May 2021, 12:31, edited 1 time in total.
Last edited by TestPrepUnlimited on 26 May 2021, 12:31, edited 1 time in total.
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Bunuel
This is a table problem, I have a labelled table shown below where our goal is to find the total.
Statement 1:
There were 20 M1 models and 8 M2 models sold, so 28 cell phones in total. Sufficient.
Statement 2:
We can find the total x with the equation \(13 + \frac{1}{4}x + 8 = x\). Sufficient.
Ans: D
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Table.png [ 22.16 KiB | Viewed 2568 times ]
RamseyGooner
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25 May 2021, 14:03
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My vote goes to D
A certain store sells two models of cellular phones, M1 and M2, and offers two telecommunication programs, P1 and P2. Every cellular phone is sold together with one of the two telecommunication programs. Yesterday, the store sold 8 pieces of the M2 model. In addition it sold 13 pieces of the M1 model together with the P1 program. How many cellular phones (of both brands) did the store sell yesterday?
M2(All) = 8, M1(P1) = 13, Need: M1(P2) = ?
Models other than M1 with P2 = 21
(1) Yesterday, the store sold 20 pieces of the M1 model.
M1(All) = 20, Total = 20+8=28
Keep A and D
(2) A quarter of the cellular phones sold yesterday were M1 models sold together with the P2 program.
So, 75% of phones sold were models other than M1 with P2.
let x be Total
3/4*x = 21
x =28
Both Satisfies. Pick D.
A certain store sells two models of cellular phones, M1 and M2, and offers two telecommunication programs, P1 and P2. Every cellular phone is sold together with one of the two telecommunication programs. Yesterday, the store sold 8 pieces of the M2 model. In addition it sold 13 pieces of the M1 model together with the P1 program. How many cellular phones (of both brands) did the store sell yesterday?
M2(All) = 8, M1(P1) = 13, Need: M1(P2) = ?
Models other than M1 with P2 = 21
(1) Yesterday, the store sold 20 pieces of the M1 model.
M1(All) = 20, Total = 20+8=28
Keep A and D
(2) A quarter of the cellular phones sold yesterday were M1 models sold together with the P2 program.
So, 75% of phones sold were models other than M1 with P2.
let x be Total
3/4*x = 21
x =28
Both Satisfies. Pick D.
