Question

Q. 1)
2, 13, 67, 271, ?, 1639.
(A) 1067
(B) 1177
(C) 817
(D) 1371​

Answer 1

Answer:

option C is the right answer

Answer 2

Answer:

The given series is in the below pattern,

∴ First term = 2

Second term = ( First term × 6 ) + 1 = 13

Third term = ( Second term × 5 ) + 2 = 65 , 67 should be sixth term because ( 13 × 5 ) + 2 = 67 .

So 65 is wrong. we get 67 as Third term.

Similarly we can find the all terms

Fourth term = ( Third term × 4 ) + 3 = 271

Fifth term = ( Fourth term × 3 ) + 2 = 817

Sixth term = 1639,

Seventh term = 1645.