Series Completion
Supply chain
These kinds of questions are based on the numbers and the alphabet.
To resolve such questions were being given some rules
Rules of Yoga: -
The difference continued to be the same
Be the difference of consecutive even numbers
Consecutive odd numbers to be different
Be the difference of the squares of natural numbers
Example: -
5,10,16,23,31,40?
5,6,7,8,9,10 The difference in question is running as the sum of these is a series of this type, hence the answer is out of the way.
5 +5 = 10, 10 +6 = 16, 16 + 7 = 23, 23 +8 = 31, 31 +9 = 40, 40 +10 = 50
Loss of the rules: -
Loss according to the rule of law, we do like yoga -
26, 23, 20, 17, 14,?
Now we regard the difference of 3 is running so that it will be 11 points ahead.
Multiplying Terms
2,4,8,16,3 2?
Now comes the next issue of the number 64 is growing by 2 times and so will 32 * 2 to 64.
Class difference: -
4, 16, 36, 64, 100?
The difference is going on in class 2, 4, 6, 8, 10, 12 Thus, at the end of class 12 will be 144.
Divided: -
160, 80, 40, 20,?
80 came in 2 divided by 160, is moving forward in order category divided by 20 at the end 10 has two.
Cubic difference: -
8, 27, 64,?, 216
The difference in this series is going Cu Cu 2 8, 3 cube 27, the same type 4, 5, 6 so will be 5 to 125 cu.
The difference mixed series
2, 3, 4, 6, 8, 12, 16, 24, 32,?
2-- x2 – 4, 3 – x2 – 6………. 16 – x2 --- 32, 24 -- x2 -- 48
ans. - 48
Former positions of the sum rule
2,5,7,12,19,31?
ans. -50
The third term is the sum of two terms each.
Square (Square)
1 1
2 4
3 9
4 16
5 25
6 36
7 49
8 64
9 81
10 100
11 121
12 144
13 169
14 196
15 225
16 256
17 289
18 324
19 361
20 400
21 441
22 484
23 529
24 576
25 625
26 676
27 729
28 784
29 841
30 900
Cube (Cube)
1 1
2 8
3 27
4 64
5 125
6 216
7 343
8 512
9 729
10 1000
11 1331
12 1728
13 2197
14 2744
15 3375
16 4096
17 4913
18 5832
19 6859
20 8000
21 9261
22 10648
23 12167
24 13 824
25 15625
26 17 576
27 19 683
28 21 952
29 24 389
30 27000
English alphabetical
WYV, PRO, IKH,
(A) BDA (B) DBA (C) ABD (D) BFD (A)
AZ, GT, MN, SH, ...
(A) YB (B) AY
(C) BY (D) YA (A)
A + à6 G+ à6 M + à6 S + à6 Y
Z-6 à T-6 à N-6 à H-6 à B
Questions for Practice
5, 10, 17,?, 37
(A) 25 (b) 26 (c) 27 (d) 28 (B)
5,7, 9, 11, is growing order
3,4,10,33?
(A) 130 (b) 136 (c) 138 (d) 332 (B)
x1 +1, x2 +2, x3 +3 so: 33 x4 = 132 + 4 = 136
6, 11, 21, 36, 56,?
(A) 71 (B) 6 1
(C) 81 (D) 91 (C)
+ 5 + 10 + 15 + 20; +25
1 +1 / 2 +1 / 4 +1 / 8 + .... The closest would be the sum of the series. [PCE 2007]
(A) 1 (b) 5 (c) 2 (d) 1.5 (C)
3,5,8,13,21,34?
(A) 45 (b) 48 (c) 54 (d) 55 (D)
Solution: - The third term is made by adding the previous two terms. 3 +5 = 18, so 21 +34 = 55
2, 3, 3, 5, 10, 13,?, 43, 172, 177
(A) 33 (B) 39
(C) 29 (D) 45 (B)
+ 1, x 1, + 2, x 2, + 3, x 3, + 4, x 4, + 5 ... 13 x 3 = 39
37, 31, 26, 22, 19, 17,?
(A) 13 (b) 14 (c) 15 (d) 16 (D)
Solution: - 6, -5, -4, -3, -2, so 17-1 = 16
1, 1, 4, 8, 9, 27, 16,?
(A) 32 (B) 64
(C) 81 (D) 256
1 2, 1 3, 2 2, 2 3, 3 2, 3 3, 4 2, 4 3 = 64
9, 18, 27, 36, 45, 54, 63, 72,?
(A) 81 (b) 84 (c) 83 (d) 86 (A)
5, 12, 26, 54, 110
(A) 222 (b) 232 (c) 332 (d) 226 (A)
In order to further increasing x2 +2.
6, 12, 12, 24, 24, 48, 48,?
(A) 98 (b) 112 (c) 96 (d) 86 (C)
4,8,?, 64
(A) 16 (b) 32 (c) 12 (d) 46 (A)
4 of section 16 and section 64 of 8
3, 10, 101,?
(A) 1010 2 (B) 1020 2
(C) 10202 (D) 110 0 2 (C)
The first digit of the class +1 (3 of section 9 +1 = 10) Similarly, 101 (101) 2 + 1 = 10202
A, G, L, P, S,?
(A) U (B) W
(C) X (D) Y (A)
+6, +5, +4, +3, +2
CE, GI, KM, OQ, _____
(A) SU (B) ST (C) TV (D) UW (A)
Solution: - a difference of +2
CDF, DEG, EFH, FGI, ____
(A) GHI (B) GHJ (C) GHK (D) FGH (B)
Solution: - C +1 D +1 E +1 F +1 G
D +1 E +1 F +1 G +1 H
F +1 G +1 H +1 I +1 J
CEG, FHJ, IKM, ____
(A) LNP (B) LMP (C) MNP (D) ORT (A)
AZB, CYD, EXF, ____
(A) GWH (B) GWI (C) GVH (D) HUG (A)
DS, GV, JY, MB, ___
(A) QS (B) WZ (C) PE (D) ZC (C)
Solution: - D +3 G +3 J +3 M +3 P
S +3 V +3 Y +3 B +3 E
Letter Series
bc_ b_ c_ b_ ccb
Questions such as, what will he tell us in the empty space. Therefore, the first solution to solve the questions will count characters (including blanks) Now we must make these pairs. This is given in a series of 12 letters, so there will be 3 or 4 pairs.
If not corrected in the coming three to four make.
Such as: - bc c b / b c c b / b ccb
It is visible right now bccb is concerned.
Similarly, further questions will resolve.
Example: -
ac_cac_ca_bc_cbc
(A) bbca (B) bcba (C) bacb (D) acbb (A)
c_ac_baccb_cc_ac
(A) acbb (B) bcab (C) bacb (D) bbca (B)
_abb_aa_bbc_aa_
(A) acaab (B) aaacb (C) abcaa (D) aacab (A)
a_ha_bhaab_a
(A) bah (B) hab (C) abh (D) aab (A)
_poo_oop_op_o_oop
(A) pooop (B) oopop (C) ppooo (D) opoop (D)
ba_ abaa_ba_abaa_
(A) a aaa (b) baba (c) aabb (d) baab (A)
Rajasthan police exam questions brought
Please find the number lost
3, 15, 35, 63,? (PCE - 2011)
(A) 84 (b) 77 (c) 98 (d) 99 (D)
Solution: - +12, +20, +28, +36, so the difference is:
63 +36 = 99
G, I, L, P,? (PCE - 2011)
(A) U (b) E (c) O (d) X (A)
Solution: - +1, +2, +3, +4 is the difference.
4, 6, 8, 12, 12, 18, 16,? (PCE - 2011)
(A) 24 (b) 25 (c) 26 (d) 27 (A)
Solution: - It operates two categories.
First: - 4, 8, 12, 16
II: - 6, 12, 18, 24
3, 5, 9, 17,? (PCE - 20 08)
(A) 31 (b) 32 (c) 33 (d) 34 (C)
Solution: - +2, +4, +8, +16 difference, so 17 +16 = 33
2, 8, 18, 32,? (PCE - 20 08)
(A) 40 (b) 50 (c) 52 (d) 60 (B)
Solution: - +6, +10, +14, +18, so the difference is: 32 +18 = 50
2, 7, 12, 17, 22,? (PCE - 20 05)
(A) 7 (b) 17 (c) 37 (d) 27 (D)
Solution: - +5 differential is running.
87, 81, 75, 69, 63,? , 51 (PCE - 20 05)
(A) 54 (b) 50 (c) 60 (d) 57 (D)
Solution: - There is a lack of -6.
1, 4, 9, 16, 25,? (PCE - 20 05)
(A) 30 (b) 35 (c) 36 (d) 40 (C)
Solution: - As per the order of the numbers is square. At the end of section 6 which is 36.
2, 5, 8, 11, 14,? (PCE - 20 05)
(A) 18 (b) 17 (c) 16 (d) 19 (B)
Solution: - It is enhance the +3.
10, 10, 8, 12, 6, 14, 4,? (PCE - 20 07)
(A) 2 (b) 14 (c) 16 (d) 20 (C)
Solution: - It operates two Class 10, 8, 6, 4, -2 are reduced while the 10, 12, 14, There are two more that 16.
C, F, I, L,? (PCE - 20 07)
(A) O (b) P (c) Q (d) R (A)
Solution: - Running the difference is +3.
Calculate (PCE - 2008)
(A) 5 (b) 3/5 (c) 3 (d) None of these (D)
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