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Aman Shergill

· started a discussion

· 1 Months ago

double difference (Question: 86174.3 )

double difference is applicable here

Question:
DIRECTIONS:- What will come in place of the question mark (?) in the following number series?
13 22 43 76 121 (?)
Options:
A) 175
B) 184
C) 181
D) 178
E) None of these
Solution:
Ans: (d) The pattern of the number series is:

13 22 43 76 121 

13+9=22

22+21=43(12+9=21)

43+33=76(21+12=33)

76+45=121(33+12=45)

121+57=178(45+12=57)

Knowledge Expert

· commented

· 1 Months ago

yes....
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