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# The numbers of products a store sold on 4 consecutive days were x, x +

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Senior Manager
Joined: 02 Jan 2017
Posts: 312
The numbers of products a store sold on 4 consecutive days were x, x +  [#permalink]

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11 Mar 2017, 07:37
00:00

Difficulty:

5% (low)

Question Stats:

87% (01:03) correct 13% (00:58) wrong based on 48 sessions

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The numbers of products a store sold on 4 consecutive days were x, x + 5, x + 3 and x + 12. If the daily average of the products sold was 13, what is the value of x?

A.4

B.6

C.7

D.8

E.12
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Re: The numbers of products a store sold on 4 consecutive days were x, x +  [#permalink]

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11 Mar 2017, 09:47
vikasp99 wrote:
The numbers of products a store sold on 4 consecutive days were x, x + 5, x + 3 and x + 12. If the daily average of the products sold was 13, what is the value of x?

A.4

B.6

C.7

D.8

E.12

$$x + ( x + 5 ) + ( x + 3 ) + ( x + 12 ) = 52$$

So, $$4x + 20 = 52$$

Or, $$4x = 32$$

Or, $$x = 8$$

Thus, answer must be (D) 8
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Abhishek....

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Senior Manager
Joined: 22 Feb 2018
Posts: 411
Re: The numbers of products a store sold on 4 consecutive days were x, x +  [#permalink]

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13 Jul 2018, 20:50
vikasp99 wrote:
The numbers of products a store sold on 4 consecutive days were x, x + 5, x + 3 and x + 12. If the daily average of the products sold was 13, what is the value of x?

A.4

B.6

C.7

D.8

E.12

OA: D

$$\frac{[(x)+(x+5)+(x+3)+(x+12)]}{4}=13$$
$$\frac{{4x+20}}{4}=13$$
$$x+5=13$$
$$x=8$$
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Re: The numbers of products a store sold on 4 consecutive days were x, x + &nbs [#permalink] 13 Jul 2018, 20:50
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