Answer: C Q1F, S2E, U6D, W21C, (..?..) There is 3 series in the sequence. (i). QSUW...So next term is Y. (ii). 1,2,6,21.....i.e 1*1+1, 2*2+2, 6*3+3, 21*4+4.......so next term is 88. (iii). F,E,D,C... so next term is B. Hence, the next term of the sequence is Y88B.
Q. No. 26:
Choose the missing term(s) out of the given alternatives : AB, DEF, HJK, (..?..), STUVWX
Answer: A The first element contains 2 letters, 2nd 3 letters , 3rd 4 letters and so on. And the last difference between the last alphabet and the first alphabet of the succeeding element is 1.. S0, the required element is MNOPQ of 5 letters.
Q. No. 27:
Find the next term of the series : YEB, WFD, UHG, SKI, (..?..)
Answer: C There are two series in the given series 1). 5, 12, 26, 54 .........(Every term should be *2+2 of the preceding). 2). 11, 20, 40, 74....(Every term should be *2-2 of the preceding). Hence, the wrong term is 40.
Q. No. 29:
Find out the wrong term in the series given below:- 8, 14, 26, 48, 98, 194, 386
Answer: D J -1 = I (1st letter of 3rd element); I-1 = H (1st letter of 5th element). 2+2 = 4; 4+3 = 7; 7+4 =11; 11+5 = 16; 16+6 =22. Z -2 = X; X -2 = V; V -2 = T; T-2 = R; R -2 = P. K+1 = L; L+1 = M.