Find the next term of the series 39, 43, 51, 67, 99, ?

M4maths Previous Puzzles

30 Jan 2019 Series

Find the next term of the series 39, 43, 51, 67, 99, ?

OPtion

1) 121
2) 125
3) 131
4) 123
5) 147
6) 163
7) 164
8) 148
9) 153
10) None of these

Solution

Answer is 163
The difference of each successive term is 4,8,16,32 and the next difference shall be 64.
And hence the last term is 99+64=163

Correct Option: 6 Best Solution (13)

G.S.Kantharao   5 years AGO

Let the series is 39,(39+4),(43+2*4),(51+2*8),(67+2*16),(99+2*32)
Hence next term is 163
Right option is 6👈

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Devendra Marghade   5 years AGO

39 + 2^2 = 43
43 + 2^3 = 51
51 + 2^4 = 67
67 + 2^5 = 99
99 + 2^6 = 163
Option 6)

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Kariamal   5 years AGO

Difference b/w numbers 4,8,16,32,64
So, 99+64=163

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Pavani Perla   5 years AGO

39+4=43 +4*2=51+8*2=67+16*2=99+32*2=163

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RAMADURAI NATESAN   5 years AGO

The difference between consecutive numbers in the series doubles,i.e., 4,8,16,32 .Number next to 99 will therefore be
99 + 64 = 163.As a general formula,if n(r) is rth term,
n(r) = n(r - 1 ) + 2^ r for r = 2,3,4 etc.,.n(1) being 39

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Varun   5 years AGO

Difference is 4 8 16..64
=>99+64
= 163
= Option (6)

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Rouble Goswami   5 years AGO

6th term is 1st term + 2^6

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PANKAJ BHALKE   5 years AGO

48-39=4, 51-43=8,67-51=16,99-67=32,163-99=64.

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Sangram shinde   5 years AGO

The ans is 163

39+4=43
43+8=51
51+16=67
67+32=99
99+64=163

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Ravali Gadhamsetti   5 years AGO

difference is multipe of 2

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MANISHA JADHAV   5 years AGO

43-39=4
51-43=8
67-51=16
99-51=32
let next number in series = x
x-99=64
x=64+99=163

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vignesh   5 years AGO

it is increasing in order of 4,8,16,32,64

99+64 =163

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saurav kumar   5 years AGO

Difference is 4 , 8,16,32,64

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