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Look at the sequence of the numbers below and then find What comes next in the sequence; 5, 10, 20, 25, 35, 40, ?, ?

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Look at the sequence of the numbers below and then find What comes next in the sequence; 5, 10, 20, 25, 35, 40, ?, ?
posted Oct 27, 2016 by Sandeep Bedi

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2 Answers

0 votes

50 and 55 as
It is 5*1 5*2
5*4 5*5
5*7 5*8
Similarly 5*10 5*11

answer Oct 28, 2016 by Sachite Anand
0 votes

From the sequence it is clear that,
even term = previous odd term + 5,

and odd term = previos even term + 10

i.e.
2nd = 1st + 5 = 5 + 5 = 10
3rd = 2nd +10=10 + 10 = 20
4th = 3rd + 5 = 20 + 5 = 25
5th = 4th + 10=25 + 10 = 35
6th = 5th + 5 =35 + 5 = 40

so,

7th = 6th +10=40 + 10 = 50  

and
8th= 7th + 5 = 50 + 5 = 55

answer Oct 29, 2016 by Justine Mtafungwa
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