Instructions

In each of the following questions a number series is given.After the series , a number is given followed by a (a),(b),(c),(d) and (e).You are required to complete the series starting with the number given following the sequences of the given series?

Question 146

150   299    601  1197 2401   4793
60     (a)    ( b)     (c)    (d)      (e)
What will come in place of (e) ?

Solution

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The pattern followed is :

150 $$\times 2 - 1$$ = 299

299 $$\times 2 + 3$$ = 601

601 $$\times 2 - 5$$ = 1197

1197 $$\times 2 + 7$$ = 2401

2401 $$\times 2 - 9$$ = 4793

Similarly,

60 $$\times 2 - 1$$ = 119

119 $$\times 2 + 3$$ = 241

241 $$\times 2 - 5$$ = 477

477 $$\times 2 + 7$$ = 961

961 $$\times 2 - 9$$ = 1913

=> Ans - (B)

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