Aptitude - Sequences And Progressions And Series

37 ? 103 169 257 367

A.  61

B.  59

C.  67

D.  55

View Answer  

Correct Answer :

59



Explanation :
No Explanation available for this question

19 26 40 68 124 (?) Find the nex number in the series.

A.  246

B.  238

C.  236

D.  256

E.  None of these

View Answer  

Correct Answer :

236



Explanation :

if 26-19 = 7,

40-26 = 14,

68-40 = 28,

124-68 = 56  

56*2 = 112

Then check the differances all options 

if 236-124 = 112

then the next number is 112


In which category was the percentage of spam emails increasing but at a decreasing rate?

A.  Financial

B.  Scams

C.  Products

D.  none of these

View Answer  

Correct Answer :

Products



Explanation :
No Explanation available for this question

23 10 40 172 885 5346

A.  3

B.  40

C.  885

D.  172

E.  None of these

View Answer  

Correct Answer :

40



Explanation :
No Explanation available for this question

3 ? 14 55 274 1643

A.  11

B.   5

C.  6

D.   8

E.  7

View Answer  

Correct Answer :

5



Explanation :
No Explanation available for this question

Let x1, x2, ..., be positive integers in A.P. such that x1 + x2 + x3 = 12 and x4 + x6 = 14. Then x5 is

A.  7

B.  1

C.  4

D.  None of these

View Answer  

Correct Answer :

7



Explanation :
No Explanation available for this question

If (x + z) (x – 2y + z) = (x – z)2, where x, y and z are all real and distinct, then

A.  x, y and z are in A.P

B.  1/x, 1/y and 1/z are in A.P

C.  x, y and z are in G.P

D.  None of these

View Answer  

Correct Answer :

1/x, 1/y and 1/z are in A.P



Explanation :
No Explanation available for this question

(51 + 52 + 53 + ……… + 100) is equal to:

A.  2525

B.  2975

C.  3225

D.  3775

View Answer  

Correct Answer :

3775



Explanation :
No Explanation available for this question

Complete the series 25, 125, 36, 216, 49, ___

A.  200

B.  290

C.  335

D.  343

View Answer  

Correct Answer :

335



Explanation :
No Explanation available for this question

61 72 ? 73 59 74 58

A.  70

B.   60

C.  71

D.  62

E.  63

View Answer  

Correct Answer :

60



Explanation :
No Explanation available for this question

What is the sum of ‘n’ terms in the series: logn? log?(m2 / n??) + log?(m3 / n2) + ?log(?m4 / n3)

A.  Log[n(n-1)/m(m+1)]n/2

B.  Log[mm/nn] n/2

C.  Log [m(1-n)/n(1-m)] n/2

D.  Log [m(m+1)/ n(n-1)] n/2

View Answer  

Correct Answer :

Log [m(m+1)/ n(n-1)] n/2



Explanation :
No Explanation available for this question

His report, including thorough notes on the background investigation, were well received

A.  including

B.  thorough notes

C.  the background

D.  were

View Answer  

Correct Answer :

were



Explanation :
No Explanation available for this question

One of the editors must work completely alone for the whole day in order to prevent confusion and disorder. If no other editor can afford to lose his available time, then the only possible editor privileged with working alone is

A.  The news editor on Tuesday

B.  The managing editor on Friday

C.  The sports editor on Monday

D.  The entertainment editor on Thursday

View Answer  

Correct Answer :

The news editor on Tuesday



Explanation :
No Explanation available for this question

(A) All batsmen are bowlers.       (B) No bowler is a keeper. (C) Some bowlers are batsmen.   (D) Some keepers are bowlers. (E) All keepers are batsmen.        (F) Some batsmen are not keepers.

A.  AEC

B.  BFD

C.  ADF

D.  FCB

View Answer  

Correct Answer :

FCB



Explanation :
No Explanation available for this question

What, according to the treasury secretary, was the only way out of the exchange problem?

A.  Devaluation of the currency

B.  Rise in interest rates

C.  Government spending

D.  Raising taxes

View Answer  

Correct Answer :

Rise in interest rates



Explanation :
No Explanation available for this question

1 27 127 343 729

A.  127

B.  1

C.  343

D.   27

View Answer  

Correct Answer :

127



Explanation :
No Explanation available for this question

The internet represents that awkward _______ in all communication systems; while it _______ to bring us together, it keeps us apart

A.  paradox, tries

B.  irony, intends

C.  paradox,needs

D.  irony,wishes

View Answer  

Correct Answer :

irony, intends



Explanation :
No Explanation available for this question

Complete the series 1, 3, 4, 13, 53, ____

A.  690

B.  670

C.  65

D.  35

View Answer  

Correct Answer :

690



Explanation :
No Explanation available for this question

Fi nd the next term in the series 123, 129, 141, 147, ______

A.  171

B.  162

C.  159

D.  148

View Answer  

Correct Answer :

159



Explanation :
No Explanation available for this question

Find the next term in the series 123, 129, 141, 147, ______

A.  171

B.  162

C.  159

D.  148

View Answer  

Correct Answer :

159



Explanation :
No Explanation available for this question

What is the missing number in this series: 8 2 14 6 11 ? 14 6 18 12

A.  16

B.   9

C.  15

D.  6

View Answer  

Correct Answer :

9



Explanation :
No Explanation available for this question

5, 6, 3, 4, 1, ____

A.  2

B.  4

C.  -2

D.  6

View Answer  

Correct Answer :

2



Explanation :
No Explanation available for this question

960 839 758 709 ? 675

A.  696

B.  700

C.   688

D.  678

E.  684

View Answer  

Correct Answer :

684



Explanation :
No Explanation available for this question

Complete the series 25, 125, 36, 216, 49, ___

A.  200

B.  290

C.  335

D.  343

View Answer  

Correct Answer :

343



Explanation :
No Explanation available for this question

If the sum of the first 11 terms of an arithmetic progression equals that of the first 19 terms, then what is the sum of the first 30 terms?

A.  0

B.  -1

C.  1

D.  Not unique

View Answer  

Correct Answer :

-1



Explanation :
No Explanation available for this question

If log32, log3(2x – 5), log3(2x – 7/2) are in arithmetic progression, then the value of x is equal to

A.  5

B.  4

C.  2

D.  3

View Answer  

Correct Answer :

3



Explanation :
No Explanation available for this question

21 goats eat as much as 15 cows. How many goats each as much as 35 cows?

A.  49

B.  32

C.  36

D.  41

View Answer  

Correct Answer :

49



Explanation :
No Explanation available for this question