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Recent questions tagged sequences&series

0 votes
1 answer
1
Find the value of the expression $1-6+2-7+3-8+\dots\dots$ to $100$ terms. $-250$ $-500$ $-450$ $-300$
asked Apr 3, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 41 648 824 104 views
0 votes
1 answer
2
The value of the following expression : $\left [ \frac{1}{2^{2}-1} \right ]+\left [ \frac{1}{4^{2}-1} \right ]+\left [ \frac{1}{6^{2}-1} \right ]+\dots\dots+\left [ \frac{1}{20^{2}-1} \right ]$ is : $\frac{10}{21}$ $\frac{13}{27}$ $\frac{15}{22}$ $\frac{22}{15}$
asked Apr 3, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 41 648 824 145 views
0 votes
1 answer
3
The sum of first $n$ terms of an $A.P$. whose first term is $\pi$ is zero. The sum of next $m$ terms is : $\frac{ \pi m \left(m+n \right)}{n-1}$ $\frac{ \pi n \left(m+n \right)}{1-n}$ $\frac{ \pi m \left(m+n \right)}{1-n}$ $1$
asked Apr 3, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 41 648 824 97 views
0 votes
0 answers
4
The greatest number of four digits which is divisible by each one of the numbers $12$, $18$, $21$ & $28$, is : $9848$ $9864$ $9828$ $9636$
asked Apr 3, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 41 648 824 128 views
1 vote
1 answer
5
Of the three numbers, the sum of the first two is $45$; the sum of the second and third is $55$ and the sum of the third and thrice the first is $90$. The third number is : $20$ $25$ $30$ $35$
asked Apr 3, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 41 648 824 128 views
1 vote
0 answers
6
Study the following information carefully to answer the questions given below: A number sorting machine when given an input of numbers, rearranges the numbers in a particular manner step by step as indicated below till all the numbers are arranged in a particular order. Given below is an illustration of this ... $\text{17 24 47 62 92 86 42 79}$ $\text{17 47 62 86 24 42 79 92}$
asked Apr 3, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 95 views
1 vote
1 answer
7
Which of the following will be the middle digit of the middle number after reversing the digits of the following numbers ? $\text{389 675 493 728 536}$ $3$ $2$ $8$ $9$
asked Apr 3, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 133 views
1 vote
0 answers
8
Study the following information carefully to answer the questions given below: A number sorting machine when given an input of numbers, rearranges the numbers in a particular manner step by step as indicated below till all the numbers are arranged in a particular order. Given below is an illustration of ... $\text{17 32 82 69 93 43 49 56 99 106}$ Cannot be determined
asked Apr 3, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 106 views
1 vote
1 answer
9
Which of the following does not fit in the letter number series given below? $G$ $4$ $T$ $J$ $10$ $R$ $M$ $20$ $P$ $P$ $43$ $N$ $S$ $90$ $L$ $J$ $10$ $R$ $M$ $20$ $P$ $P$ $43$ $N$ $G$ $4$ $T$
asked Apr 3, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 145 views
0 votes
1 answer
10
The value of $\dfrac{1}{6}+\dfrac{1}{12}+\dfrac{1}{20}+ \dots \dots \dots+\dfrac{1}{90}$ is: $\dfrac{1}{5}\\$ $\dfrac{2}{5} \\$ $\dfrac{3}{5} \\$ $1$
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 41 648 824 135 views
0 votes
0 answers
11
The sum of the squares of the fifth and the eleventh term of an AP is $3$ and the product of the second and fourteenth term is equal to $x$. Find the product of the first and fifteenth term of an AP. $\dfrac{(58x-39)}{45} \\$ $\dfrac{(98x-39)}{72} \\$ $\dfrac{(116x-39)}{90} \\$ $\dfrac{(98x-39)}{90}$
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 41 648 824 56 views
0 votes
0 answers
12
If $S_1,S_2,S_3,\dots\dots,S_m$ are the sum of first $n$ terms of $m$ arithmetic progressions, whose first terms are $1,4,9,16,\dots,m^{2}$ and common differences are $1,2,3,4,\dots m$ respectively, then the value of $S_1+S_2+S_3+\dots \dots +S_m$ is : $\dfrac{mn(m+1)}{2} \\$ $\dfrac{mn(2m+1)}{3} \\$ $\dfrac{mn[3(m+1)+1]}{6} \\$ $\dfrac{mn(m+1)(4m+3n-1)}{12}$
asked Apr 1, 2020 in Quantitative Aptitude Lakshman Patel RJIT 9.3k points 41 648 824 74 views
0 votes
1 answer
13
Study the following series Ⅰ and Ⅱ comprising letters/digits/symbols and answer the questions given below. $\textbf{Series I :}$ N P Q * 5 4 B Z \$ # 3 7 D 9 A ? F 8 G H 1 + D K 6 $ ... symbols from each series are counted separately, which of the following is lowest in count? Symbols in series I Letters in series I Digits in series II Symbols in series II
asked Apr 1, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 202 views
1 vote
1 answer
14
Study the following series Ⅰ and Ⅱ comprising letters/digits/symbols and answer the questions given below. $\textbf{Series I :}$ N P Q * 5 4 B Z \$ # 3 7 D 9 A ? F 8 G H 1 + D K 6 $ ... preceded by a letter together with the number of letters in Series II which are immediately preceded by a symbol and immediately followed by a letter? $5$ $4$ $1$ $3$
asked Apr 1, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 250 views
1 vote
2 answers
15
Study the following series Ⅰ and Ⅱ comprising letters/digits/symbols and answer the questions given below. $\textbf{Series I :}$ N P Q * 5 4 B Z \$ # 3 7 D 9 A ? F 8 G H 1 + D K 6 $ ... of the following pairs of elements will indicate $16$- th element from the left and the $8$^th element to its left respectively? $A,Q$ $3,Q$ $3,Z$ $A,Z$
asked Apr 1, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 219 views
1 vote
1 answer
16
How many $9$’s are there in the following number sequence which are immediately preceded by $3$ but not immediately followed by $4$? $\text{2 3 9 5 1 3 9 6 7 3 9 4 8 9 3 4 9 3 2 3 9 8 3 9 3}$ $3$ $2$ $1$ $4$
asked Apr 1, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 194 views
1 vote
1 answer
17
In a certain code $\text{UPGRADE}$ is written as $\text{WNIPCBG}$. How is $\text{DROWN}$ written in that code? $\text{BTMYL}$ $\text{BPMYL}$ $\text{BTQYL}$ $\text{FPQUP}$
asked Apr 1, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 295 views
1 vote
2 answers
18
In a certain $\text{STABILISE}$ is written as $\text{UVCDKNKUG.}$ How is $\text{ORGANISE}$ written in that code? $\text{QTICPKUG}$ $\text{QTICPKUH}$ $\text{QTIBPKUG}$ $\text{QTICPKUJ}$
asked Apr 1, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 179 views
1 vote
1 answer
19
Shoes is related to Shining in the same way as Pant is related to$\dots$? Stitching Wearing Keeping Buying
asked Apr 1, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 220 views
1 vote
2 answers
20
1 vote
1 answer
21
If the consonants in the word ‘DROVE’ are first arranged alphabetically and the vowels are put in between two pairs of consonants in the alphabetical order, which of the following will be the fourth from the right end after the rearrangement? $D$ $E$ $R$ $O$
asked Apr 1, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 153 views
1 vote
1 answer
22
1 vote
2 answers
23
In the following question, various terms of a letter series are given with one term missing as shown by (?). Choose the missing term out of the given alternatives. $\text{C,F,J,O,?,B}$ $\text{S}$ $\text{T}$ $\text{U}$ $\text{V}$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 268 views
1 vote
3 answers
24
In the following question, various terms of a letter series are given with one term missing as shown by (?). Choose the missing term out of the given alternatives. $\text{ABP, CDQ, EFR, }(\dots?\dots)$ $\text{GHS}$ $\text{GHT}$ $\text{HGS}$ $\text{GHR}$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 315 views
1 vote
3 answers
25
In the following question, various terms of a letter series are given with one term missing as shown by (?). Choose the missing term out of the given alternatives. DF, GJ, KM, NQ, RT, ? UW YZ XZ UX
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 305 views
1 vote
2 answers
26
In the following question, various terms of a letter series are given with one term missing as shown by (?). Choose the missing term out of the given alternatives. $\text{T,r,O,m,J,?}$ $\text{h}$ $\text{i}$ $\text{I}$ $\text{g}$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 408 views
2 votes
3 answers
27
In the following question, various terms of a letter series are given with one term missing as shown by (?). Choose the missing term out of the given alternatives. $\text{C,G,L,R,?}$ $\text{Y}$ $\text{S}$ $\text{U}$ $\text{Z}$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 364 views
1 vote
1 answer
28
Have a look at the series: $26,24,20,18,14,\dots$ What number should come next? $10$ $12$ $13$ $16$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 336 views
1 vote
1 answer
29
Have a look at the series: $4,7,5,8,6,9,\dots\dots,\dots$ What number should come next? $7$ $9$ $10$ $13$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 166 views
1 vote
1 answer
30
Find the wrong number in the sequence $125,127,130,135,142,153,165$ $130$ $142$ $153$ $165$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 195 views
1 vote
1 answer
31
Have a look at the series : $2,1,(1/2),(1/4),\dots$ What number should come next? $(1/3)$ $(1/8)$ $(2/8)$ $(1/16)$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 175 views
1 vote
1 answer
32
In the following letter series, some of the letters are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. $\text{abca _ bcaab _ aa _ caa _ c}$ $\text{bbac}$ $\text{bbaa}$ $\text{acbb}$ $\text{acac}$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 176 views
1 vote
1 answer
33
In the following letter series, some of the letters are missing which are given in that order as one of the alternatives below it. Choose the correct alternative. $\text{aaa_bb_ aab_baaa_bb}$ $\text{abab}$ $\text{bbaa}$ $\text{babb}$ $\text{baab}$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 212 views
1 vote
1 answer
34
In the following questions, one term in the number series is wrong. Find out the wrong term. $52,51, 48, 43, 34, 27, 16$ $51$ $48$ $34$ $43$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 183 views
1 vote
1 answer
35
In the following question, one term in the number series is wrong. Find out the wrong term. $125, 126, 124, 127, 123, 129$ $123$ $124$ $126$ $129$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 125 views
1 vote
2 answers
36
In the following question, find out the correct answer from the given alternatives. If $\text{TABLE}$ is coded as $\text{GZYOV}$, how is $\text{JUICE}$ coded? $\text{OZLFJ}$ $\text{QFRXV}$ $\text{HOFAD}$ $\text{QZHMT}$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 222 views
1 vote
2 answers
37
In the following question, find out the correct answer from the given alternatives. If in a certain language $\text{MECHANICS}$ is coded as $\text{HCEMASCIN}$, how is $\text{POSTER}$ coded in that code? $\text{OPTSRE}$ $\text{SOPRET}$ $\text{RETSOP}$ $\text{TERPOS}$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 205 views
1 vote
1 answer
38
In the following question, a series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank space. $50,49,46,41,34,$ _________. $32$ $25$ $21$ $19$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 176 views
1 vote
2 answers
39
In the following question, a series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank space. $71,76,69,74,67,72$,_______. $65$ $76$ $77$ $80$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 176 views
1 vote
1 answer
40
In the following question, a series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank space. $6, 25$, _____, $123, 214, 341$ $65$ $70$ $72$ $62$
asked Mar 31, 2020 in Logical Reasoning Lakshman Patel RJIT 9.3k points 41 648 824 188 views
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