View HintsTry to recall the concept of perfect numbers.
View HintsTake any number and then think about different times table in which it would come.
View HintsRecall first 10 prime and composite numbers.
View HintsRecall first 10 prime numbers.
View HintsThink about the number which when multiplied by itself should give one of the answers given below in the options.
View HintsRecall first 5 prime numbers and composite numbers
View HintsThink about the sum of the factors of 6.
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View HintsTry dividing 36 by all the given options.
View HintsThink of the definition of prime numbers.
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