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Sajjad1994
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Let # be defined for all numbers a, b, c, and d by 05 Mar 2020, 07:58
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!

Difficulty:

5% (low)

Question Stats:

92% (00:54) correct 8% (01:21) wrong based on 39 sessions

History

Date
Time
Result
Not Attempted Yet
Attachment:
123.jpg
123.jpg [ 34.97 KiB | Viewed 1454 times ]
(A) 1
(B) 2
(C) 18
(D) 38
(E) 178
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B
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Shaarang26
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Let # be defined for all numbers a, b, c, and d by 06 Mar 2020, 04:04
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x=5*2-4*1 = 6
Substituting for x:
6*2-10*1 = 2

So Answer = 2 = B
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SaikatRoy
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Let # be defined for all numbers a, b, c, and d by 12 Mar 2020, 01:52
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Here based on the function defined
x can be calculated as
x= (5x2)-(4x1) = 6
Now replacing x i the value needed we get
(6x2)-(10x1) = 2

Answer Is Option B
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Let # be defined for all numbers a, b, c, and d by 15 Mar 2020, 04:58
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SajjadAhmad
Attachment:
123.jpg
(A) 1
(B) 2
(C) 18
(D) 38
(E) 178

x = 5*2 - 4*1 = 10 - 4 = 6

So, the value of the second symbol is:

6*2 - 10*1 = 12 - 10 = 2

Answer: B
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