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kushal chavan

· started a discussion

· 1 Months ago

why not +2 +4 +8 +16 is not applicable....and if it is not applicable then remove none of above option... (Question: 90252.2 )

why not +2 +4 +8 +16 is not applicable....and if it is not applicable then remove none of above option...

Question:
DIRECTIONS:  What will come in place of question mark (?) in the following number series?
7, 9 13, 21,  ?
Options:
A) 37
B) 25
C) 28
D) 40
E) None of these.
Solution:

kanhaiya jha

· commented

· 1 Months ago

yes :)

kushal chavan

· commented

· 1 Months ago

ok thank you..

kanhaiya jha

· commented

· 1 Months ago

How can you say its not applicable.......of course its applicable...But always remember that its not necessary to follow only one pattern, a series can have many patterns...Mark the option which is most appropriate....


7, 9 13, 21, ?


7+2 = 9

9+4 = 13

13+8 = 21

21+16=37



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