A) 16
B) 21
C) 18
D) None of these
Correct Answer: B
Solution :
(b) From observation, sum of previous two numbers is equal to third number. That is, if sequence is denoted by \[{{T}_{1}},\text{ }{{T}_{2}},\text{ }{{\text{T}}_{3}},\text{ }{{T}_{4}}\]........... then \[{{T}_{3}},\text{ }{{T}_{1}},\text{ }{{\text{T}}_{2}}\text{; }{{T}_{4}}={{T}_{2}}+{{T}_{3}}\And C\] Hence, \[A=8+13=21\]
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