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SACHIN VERMA

· started a discussion

· 1 Months ago

plz provide solutions detailed

Question:
DIRECTIONS: A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
3, 15, 35, 63, ?
Options:
A) 77
B) 84
C) 99
D) 98
Solution:
Ans: (c) 


Knowledge Expert

· commented

· 1 Months ago

Here we see that successive difference is

12(15-3);20(35-15);28(63-35).

now we see difference between successive difference is 8 and thereby next difference must be 36 as 36-28 is 8

hence next number should be 99=(63+36)

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