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

explain this

65 Answers

25 is the answer.
- Shivang
- 20 Jul
- 0 Comment
0
a
- Vaishnav
- 20 Jul
- 0 Comment
0
27
- Nidhi
- 18 Jul
- 0 Comment
0
27
- Debanshu
- 18 Jul
- 0 Comment
0
25
- M.Naveen
- 16 Jul
- 0 Comment
1
33
- Avinash
- 16 Jul
- 0 Comment
0
where y=2,3,4... 5-- 5 6-- 5+(1) 9--6+(1+2) 15--9+(3+3) x=15=15+(6+4) 25+(10+5)--40 the required answer is 25
- Birender
- 15 Jul
- 0 Comment
0
The answer is 25 br /Option a
- Sri
- 15 Jul
- 0 Comment
0
25
- Ankona
- 10 Jul
- 0 Comment
0
25
- Ravi
- 20 Jun
- 0 Comment
0
5 6 9 15 ? 40 1 3 6.... 2 3 4... 4+6+15=25
- Sachin
- 20 Jun
- 0 Comment
0
25
- Meena
- 20 Jun
- 0 Comment
0
21
- Sanket
- 20 Jun
- 0 Comment
0
25
- Anshul
- 20 Jun
- 0 Comment
0
27
- Sai
- 19 Jun
- 0 Comment
0
27
- Aatirah
- 19 Jun
- 0 Comment
0
25
- Ganga
- 15 Jun
- 0 Comment
0
logic : upper number + x where x=1 x=x+y where y=2,3,4... 5-- 5 6-- 5+(1) 9--6+(1+2) 15--9+(3+3) x=15=15+(6+4) 25+(10+5)--40 the required answer is 25
- Vinay
- 30 May
- 0 Comment
1
logic: pyramid series 25
- Aditya
- 20 Mar
- 0 Comment
0
The terms are increasing in the order of 1,(1+2),(1+2+3),(1+2+3+4),(1+2+3+4+5)......
- Srivishnu
- 16 Mar
- 2 Comment
22

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