Question
2, 4, 16, 48, 240, 1440,
10080 Find the wrong number in the given number seriesSolution
ATQ, 2 × 2 = 4 4 × 3 = 12 12 × 4 = 48 48 × 5 = 240 240 × 6 = 1440 1440 × 7 = 10080 Therefore,12 should come in place of 16.
The minimum value of 25 sin2 θ + 16 cos2 θ is
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