Math, asked by krishnagupta4626, 9 months ago

4,11,25,46,74,129,151 wrong number series

Answers

Answered by amanthakur386
5

Step-by-step explanation:

Write series is ---. 4 , 11 , 25 , 46 , 74 , 109 , 151.

[ In this we have to add the multiples if 7.

This is the process --

4 + 7 = 11

11 + 14 = 25

25 + 21 = 46

46 + 28 = 74

74 + 35 = 109

109 + 42 = 151. [ adding multiples of 7 ]

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Answered by PRITHISHROY23
1

THE WRONG NO. series starts from 129 !

Step-by-step explanation:

If you look carefully , you'll see that if you subtract the 1st no. from the 2nd no. , you get 7 ( which is 7 x 1 ) as the difference . Then if you subtract the 2nd no. from the 3rd no. , you get 14 ( which is 7 x 2 ) as the difference . You go on subtracting and you'll get the multiples of 7 as the difference . But if you subtract the 5th no. from the 6th no. you get 55 , which is not a multiple of 7 . Further if you subtract the 6th no. from the 7th no. , you get 22 as difference which is not a multiple of 7 too !

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