Answer / ajit

27

Answer / amit

27,26

Answer / harsha

2+7=9-4=5+8=13-3=10+9=19-2=17+10=27-1=26

+7,+8,+9,+10

-4,-3,-2,-1

answer:27

Answer / benny

2+7=9-4=5+8=13-3=10+9=19-2=17+10=27
27

Answer / mukesh kumar verma

after a glance we see that 2+3=5 and 5+5=10 again 10+7=17
so it seems that in this series the digits whihc are adding
like 2,5 and 7 are going in a order of +2 increasing.
again take the another series :-
9+4=13 and 13+6=19 it is also increasing by +2. so the next
digit will be 19+8=27.

i have tried to give the best explanation but if there r
some mistake then pls suggest me.
verma_mukesh1982@yahoo.co.in

Answer / keerthika

2,9,5,13,10,19,17,?

Ans : 27

the difference between the numbers 2 and 5 is 3
lly 5 and 10 is 5
lly 10 and 17 is 7

and the difference between the numbers 9 and 13 is 4
lly 13 and 19 is 6

so the next sequence number is 8; 19 + 8 = 27

Answer / sap

2,9,5,13,10,19,17
if we find the gap b/w sequence no.,we get 7,4,8,3,9,2,10.
now we add 10 in last no. we find 27 i.e, answer.

Answer / ajay kumar reddy

2,9,5,13,10,19,17
Devide into two sections by taking alternative nos.
i.e
2,5,10,17
9(+4)13(+6)19 here next number should be +8 to 19

So the answer is 27

Answer / amar

This is a mixup of two different sequences. Alternate
numbers forma a sequence. 2,5,10,17,... where odd number
in the ascending sequence is added. 2+3=5+5=10+7=17 and so
on. Similarly 9,13,19,... is a sequence where even numbers
starting 4 is added to every number in increasing
order.9+4=13+6=19+=27 would be tne next number

Answer / amit

The correct answer will be 27....Thanks

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