Question
What should come in place of the question mark (?) in
the given series ? 129, 128, 124, 115, 99, ?Solution
The logic is followed here- Square, 1, 2, 3, 4 129 – 1 = 128 128 – 4 = 124 124 – 9 = 115 115 – 16 = 99
If n(A) = 25, n(B) = 40 and n(A ∪ B) = 50, then n(A ∩ B) equals
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