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Brahmaiah peram

· started a discussion

· 1 Months ago

SIR PIS EXPLAIN BRIEFLY I DID NOT UNDERSTOOD

Question:

Find the wrong number?

1, 3, 5, 11, 21, 41, 85

Options:
A)

3

B)

21

C)

11

D)

41

Solution:

Ans: (d)

1   × 2 + 1 = 3

3   × 2  1 = 5

5   × 2 + 1 = 11

11 × 2 – 1 = 21

21 × 2 + 1 = 43

Knowledge Expert

· commented

· 1 Months ago

Dear student
We resolved it

Best wishes
Team TR

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