Question
What will come in place of (?) question mark in the
given number series. 11, 6, 7, 12, 26, ?Solution
ATQ, 11 × 0.5 + 0.5 = 6 6 × 1 + 1 = 7 7 × 1.5 + 1.5 = 12 12 × 2 + 2 = 26 26 × 2.5 + 2.5 = 67.5
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If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 54 cm 2 , then the area of ∆BGD is?