Find the missing number: 6 : 42 :: 9 : ?
90
The given pair is 6 : 42, and the relation between 6 and 42 must be found first.
Multiplying 6 by the next consecutive number, 7, gives 6 × 7 = 42, so the rule is n × (n + 1).
Applying the same rule to 9: 9 × (9 + 1) = 9 × 10 = 90.
Hence, the answer is 90.
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Important Questions from Missing Number
Find the missing number from the below options.
Find the missing number from the below options.
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In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives
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?
In the following question, find the missing number from the given series.
4, 12, 48, 240, 1440, ?
