Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
(2, 1, 5)
(5, 12, 22)
(6, 2, ?)
Option 1: 6
Option 2: 14
Option 3: 8
Option 4: 12
Correct Answer: 14
Solution :
Given:
(2, 1, 5), (5, 12, 22); (6, 2, ?)
In the given sets, multiply the first number by 2 and then add the resultant to the second number to obtain the third number.
Like, (2, 1, 5)→2 × 2 = 4; 4 + 1 = 5
And, (5, 12, 22)→5 × 2 = 10; 10 + 12 = 22
Similarly, follow the same pattern for (6, 2, ?)→6 × 2 = 12; 12 + 2 = 14
So, 14 is the missing number of the given set. Hence, the second option is correct.
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