What is the next number of the following sequence 67, 137, 837, 1537, 8537, 15537, .......

pooja   9 years AGO

6+7=13, second term is 137
1+7=8, third term is 837
retaining last terms filling first term by sum of first and last term of the previous no. Hence we get 85537

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MRITUNJAY   9 years AGO

67+70=137
137+700=837
837+700=1537
1537+7000=8537
8537+7000=15537
15537+70000=85537

ootion 5

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Devendra Marghade   9 years AGO

Next number =( Sum of first digit +last digit) & all other digits as it is excluding first digit of the previous number.
So after 15537, number (1+7)5537=85537 will come.
Option 5)

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Jamil Ahmed   9 years AGO

67
137 = 67+70
837 = 137+700
1537 = 837+700
8537 = 1537+7000
15537 = 8537+7000
So, next number would be 85537 (= 15537+70000)

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kiran kumar reddy yanamala   9 years AGO

The difference between the numbers are like 70,700,700,7000,7000,70000.So when we will add this the result will come as 15537+70000=85537.

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RANJAN FADIA   9 years AGO

add the first digit and last digit ...remaining digit will same.
like 6+7=13(137)
1+7=8(837)
8+7=15(1537)
1+7=8(8537)
8+7=15(15537)
1+7=8(85537 is ans.)

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PRABHAT KUMAR   9 years AGO

67
67+70=137
137+700=837
837+700=1537
1537+7000=8537
8537+7000=15537
15537+70000=85537
Option 5

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supreeta diwan   9 years AGO

67+70= 137.
137+700=837.
837+700=1537.
1537+7000= 8537.
8537+7000= 15537.
15537+70000=85537. option 5

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SHUBHAM   9 years AGO

difference between adjacent numbers is 70,700,700,7000,7000,70000

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Karthick Raja   9 years AGO

67
(6+7)7=137
(1+7)37=837
(8+7)37=1537
(1+7)537=8537
(8+7)537=15537
(1+7)5537=85537

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ROHIT KUMAR DUBEY   9 years AGO

137-67=70
837-137=700
1537-837=700
8537-1537=7000
15537-8537=7000
85537-15537=70000
till two iteration remains constant and after two its increasing 10 times.

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Testing Account   9 years AGO

first and last number are added then the added number and the number except 1st one is written after it
67 137 837....
6+7=13 then leave the 1st number and write other with the added value I e 137
again add the 1+7 =8 then 837.....
8+7=15 then 1537.....

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Devendra Kumar   9 years AGO

67+70=137
137+700=837
837+700=1537
1537+7000=8537
8537+7000=15537
so
15537+70000=85537 Ans

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luciya   9 years AGO

the difference between the given numbers are 70 700 700 7000 7000 ..as you can see there is a rise in the sequence by *10 .
so the next increase should be by 70000
so 15537+70000 = 85537

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Meghna chhaparia   9 years AGO

67
6+7 137
7+1 37 837
so on

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swasthika   9 years AGO

add first and the last digit and keep the remaining digits as such
i.e) 67
6+7=13
keeping the remaining(last) digit as such gives 137
similarly, 15537
1+7=8
85537

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Yallapu Uday tarun kumar   9 years AGO

add first number and last number make the remaining same added number should be placed in the first digit from the begining.

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Meenakshi   9 years AGO

The difference between the given number is : 70,700,700,7000,7000,70000,70000,..
So the next number in this series will be 15537+70000 = 85537
Option 5)

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Ashish Asthana   9 years AGO

after every 8 there is a 5.
after every 1 there is a 8

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Pradeep   9 years AGO

67+70=137
137+700=837
837+700=1537
1537+7000=8537
8537+7000=15537
15537+70000=85537

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umend   9 years AGO

MSBs are sum of first and last digit which are followed by all digits of previous no. except first digit.
For ex:137,837
1st digit=1+7=8
Followed by 37

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gousia begum   9 years AGO

here their is a difference in between the term and next term that is increasing in order as 70,700,7000....
so, here 15537+70000=85537

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seematai pote   9 years AGO

we retain last digit as it is.in second digit we had taken ones place as it and added the two digit number,similarly in next we retain ones and tens digit as it is and added first and last digit

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Dinni   9 years AGO

Add 1st and last term only
That sum is next number 1st digit.
15537=1+7=85537

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Surabhi Yadav   9 years AGO

67=13_In unit digit, the unit digit of previous number will come here 7
137=7+1=8__=837
837=8+7=15__=1537
1537=1+7=8__=8537
8537=8+7=15__=15537
15537=1+7=8____=85537

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Arun Kumrv   9 years AGO

add right most digit to the left most digit and replace the left most digit with the result.
For example :
67 - > Left Most digit + Right Most digit = 6 + 7 = 13, Replacing Left Most digit with Result -> 137
Same goes for...
15537 - > Left Most digit + Right Most digit = 1 + 7 = 8, Replacing Left Most digit with Result -> 85537

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sravani podipireddy   9 years AGO

In all numbers,neglect units digit i.e., 7
now.....the no.s are 6,13,83,153,853,1553,______
13-6=7
83-13=70
153-83=70
853-153=700
1553-853=700
now......next no. will be 1553+7000=8553.....unit digit is common for all and it is 7
soooooo.............85537

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Akshaya   9 years AGO

67+70 = 137
137+ 700 = 837
837+700=1537
1537+7000=8537
8537+7000=15537
15537+70000=85537

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lakshmi   9 years AGO

the first digit of next number is equal to sum of first and last digits of the present number and next digits are same as present number except the first digit of present number
137=(6+7)7,837=(1+7)37

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praveen kumar   9 years AGO

in the following 2nd sequence number is 137 and next is 1537 and next is 15537 in the same way 837,8537,85537.so answer is 85537

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tejaswini   9 years AGO

in this first and last digit of the previous number should be added and remaining digits must be placed as it is, then we get 85537

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Mukesh Singh Thakur   9 years AGO

1+7=8 after 15
the next no. is 1+7=8i.e.therefore
85537

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NIKHIL JAIN   9 years AGO

6+7=13. Insert last no of 67 i.e 7
hence next no is137
similarly 1+7=8
next no=837
again, 8+7=15
next no is 1537
again, 1+7=8
next no= 8537
8+7=15
next no= 15537
1+7=8
next no = 85537

Hence series goes 36, 137, 837, 1537, 8537, 15537, 85537

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Sruthi Kantem   9 years AGO

here it follows a logical sequence
first no is 67=6+7=13then we want second no so append second no of first no =137.
again 137=1+7=837
837=8+7=1537
1537=1+7=8537
8537=8+7=15537
15537=1+7=85537
hence the seuqence is 67,137,837,1537,8537,15537,85537

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reshma shaik   9 years AGO

67+70=137
137+700=837
837+700=1537
1537+7000=8537
8537+7000=15537
15537+70000=85537

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sumit kumar   9 years AGO

when we see the pattern we find that last and first term add and make next term first digit along this rest digits are uniform. acording to this from 15537
(7+1)537=85537

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ramakrishnateja   9 years AGO

every number has 7 as last digit. so next number definitely will have 7 as last digit. total 5 digits will be there. the rem 4 digits are . the series is as follows.
6+7=13.
13+70=83
83+70=153
153+700=853
853+700=1553
1553+7000=8553.
the num is 85537

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s.kanaka lakshmi   9 years AGO

observe the sequence in every number the first and the last digits are added and the first digit is the sum of the first and last digits

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CHANDAN KUMAR   9 years AGO

67 ,137 ,837 ,1537 ,8537,15537 , ------?
here , from starting we are seeing that
67 ? 137
means
6+7 =13 and last no(7).is also attached to it.
similarly,
137 ?837

It mean
1+7 =8 and last two digit (37 )of previous no. is attached

similarly ,
15537 ? ?

it means
1+7= 8 and last four digit (5537) of previous no. Attached to next no.
so next no. is 85537
correct option is 5) 85537

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santhosh   9 years AGO

67+70=137
137+700=837
837+700=1537
1537+7000=8537
8537+7000=15537
15537+70000=85537

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ANAMIKA KUMARI   9 years AGO

NEXT FIRST DIGIT IS THE SUM OF PREVIOUS FIRST AND LAST DIGIT. AND THE ALL DIGITS ARE SAME. SO IN LAST 1+7 = 8

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Tummala Venkateswarlu   9 years AGO

6+7=137,
137=7+1=837
837=7+8=1537
1537=7+1=8537
8537=7+8=15537
15537=7+1=85537

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DAYEETA DUTTA   9 years AGO

7 is added with first digit of each number and results as the next in the sequence....

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