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Shyam Tiwari

· started a discussion

· 1 Months ago

78 (Question:105361.0)

1742 kha seaya

Question:

Find out the wrong term in the given series:

            
7  12  40  222  1742  17390   208608
Options:
A) 222 
B) 12
C) 40
D) 1742
E) 208608
Solution:

Ans: (d)  

The pattern of the number series is:

7 × 2 – 2 = 12

12 × 4 - (2 + 6) = 48-8 = 40

40× 6 - (8 + 10) = 240 - 18 = 222

222× 8 - (18 + 14) = 1776 -32 = 1744 ≠ 1742

1744 × 10 - (32 + 18) = 17440 - 50= 17390

Knowledge Expert

· commented

· 1 Months ago

Check the 5th term in the series
It's 1742

Knowledge Expert

· commented

· 1 Months ago

Check the 5th term in the series
It's 1742
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