Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
55 63 ?
48 58 40
49 25 49
Option 1: 58
Option 2: 51
Option 3: 47
Option 4: 49
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Correct Answer: 47
Solution :
Given:
55 63 ?
48 58 40
49 25 49
Solve according to the columns. In each column subtract the second number from the first number and the result is squared to obtain the third number.
First column: 55 – 48 = 7; 7
2
= 49
Second column: 63 – 58 = 5; 5
2
= 25
Similarly, follow the same pattern for the third column: ? – 40 = 7; 49 is the square of 7
? – 40 = 7; ? = 7 + 40 = 47
So, the required number in the third column is 47. Hence, the third option is correct.
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