Question 47

Complete the series.
4, 7, 12, 19, (...)

Solution

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4, 7, 12, 19, (...)

addition of Prime no.

$$4 + 3 = 7$$

$$7 + 5 = 12$$

$$12 + 7 = 19$$

$$19 + 9 = 28$$

28 is a no.

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