Respuesta :
Answer:
Step-by-step explanation:
Alright, lets get started.
There are three rows given in question :
R1 : 9 38 47 4
R2: 6 35 42 x
R3: 12 21 23 47
And we are asked to find x.
The numbers of R3 are added together and subtracted from R1 to get numbers of R2.
As first number of R3 is 12. When we add this 1 and 2, it will give 3. And when we subtract this 3 from 9, the first number of R1, we will get [tex]9-3=6[/tex] (6 is first number of R2)
Similarly, second number of R2 is 21. When we add this 2 and 1, it will give 3. And when we subtract it from second number of R1 38, we will get [tex]38-3=35[/tex] (35 is second number of R2)
Similarly, third number of R3 is 23, when we add 2 and 3, we will get 5 and subtracting 5 from third number of R1, we will get [tex]47-5=42[/tex] (42 is third number of R2)
Similarly, we have fourth number of R3 is 47, when we add 4 and 7, we will get 11 and when we subtract is from fourth number of R1, we will get [tex]4-11 =-7[/tex]
It means the missing number will be -7 (negative 7) : Answer
Hope it will help :)
The number in the cell by quantitative reasoning is; -7.
By observation,
There are three horizontal array of numbers given in question :
- R1 : 9 38 47 4
- R2: 6 35 42 x
- R3: 12 21 23 47
Where, x is the unknown
- The individual numbers of R3 are added together and subtracted from R1 to get the number, R2.
As first number of R3 is 12. When we add numbers 1 and 2, it will give 3. And when we subtract this 3 from 9, the first number of R1, we will get (6 is first number of R2).
The logical reasoning above is correct for all first three terms of the array.
Consequently, since the fourth number of R3 is 47, when we add 4 and 7, we will get 11 and when we subtract is from fourth number of R1.
In essence, the number x is;
- x = 4 - 11
- x = -7
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