5,6,9,15,?,40 a)25 b)33 c)27 d)21

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Manikandasubbiah
10 Oct
6951 Views
65 Answers

Your Answer

KB

Kshitij
30 Sep

Difference between 5,6,9,15 is 1,3,6 Difference between 1,3,6 is 2,3 so the next no. in 2,3 series is 4 then the next no. in 1,3,6 series is 10 so the next no. in 5,6,9,15 is 25. Now for the cross-check The difference between 5,6,9,15,25,40 is 1,3,6,10,15 then their difference will be 2,3,4,5 so the ans will be 25.