Question : Directions: Select from the following options, the one which replaces the question mark (?) in the third row.
Row 1: 6, 3, 5, 30
Row 2: 1, 4, 3, 4
Row 3: 9, 2, 4, ?
Option 1: 24
Option 2: 36
Option 3: 18
Option 4: 72
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Correct Answer: 24
Solution :
Given:
Row 1: 6, 3, 5, 30
Row 2: 1, 4, 3, 4
Row 3: 9, 2, 4, ?
The pattern is as follows –
Row 1:
(6 × 3 × 5) ÷ 3 = 90 ÷ 3 = 30
Row 2:
(1 × 4 × 3) ÷ 3 = 12 ÷ 3 = 4
Row 3:
(9 × 2 × 4) ÷ 3 = 72 ÷ 3 = 24
So, the missing number is 24. Hence, the first option is correct.
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