In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.4 7 2 112 5 3 8 240 6 4 ? 96
2
In this matrix each row holds three numbers followed by a fourth, and one common rule must convert the first three into the fourth.
Testing a product rule, try (first) \(\times\) (second) \(\times\) (third) \(\times 2\) for the fourth number.
Row 1: \(4 \times 7 \times 2 \times 2 = 112\), which matches the given value.
Row 2: \(5 \times 3 \times 8 \times 2 = 240\), which also matches, confirming the rule.
Row 3: \(6 \times 4 \times \; ? \; \times 2 = 96\), so \(48 \times \; ? \; = 96\).
Dividing, \(? = 96 \div 48 = 2\).
The method is to fix a rule that satisfies all complete rows before solving the incomplete one, so the missing number is 2.
Similar Questions
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Important Questions from Missing Number in Matrix
Select the missing number from the given responses:
1
216
343
8
125
512
27
64
?
35
401
1575
Following is a matrix of certain entries. The entries follow a certain trend row-wise. Choose the missing entry (?) accordingly.
7B 10A 3C 3C 9B 6A 10A 13C ? Study the given pattern carefully and select the number that can replace the question mark (?) in it.
116 160 ? 3 8 13 7 4 2 Find the missing number from the given responses in the following question.
9 6 8 5 8 4 7 4 ? 11 2 7 In the following question, from the given alternatives, select the number that comes in place of the question mark (?).
16
8
13
17
12
23
21
15
19
162
105
?
