Number Series problems
- 1. What is the next number of the following sequence ? 21, 77, 165, 285, ......
Options- A. 404
- B. 415
- C. 426
- D. 437 Also asked in: GRE, GATE, CAT, Bank Exams, AIEEE, Bank PO, Bank Clerk, Analyst
Correct Answer: 437
- 2. _ po _ mp _ n _ _ onmpo_.
Options- A. opmpnm
- B. mponpo
- C. mnompn
- D. mnopnm Also asked in: AIEEE, Bank Exams, CAT, GRE, TOEFL, Bank Clerk, Bank PO
Correct Answer: mnompn
Explanation:
The pattern 'mpon' is repeated.
- 3. Look at the series : 3, 7, 24, 11, __, 19, 19,... What number should fill the blank ?
Options- A. 15
- B. 13
- C. 21
- D. 16 Also asked in: AIEEE, Bank Exams, CAT, GATE, GRE, Bank Clerk, Bank PO
Correct Answer: 15
Explanation:
Two series alternate here, with every third number following a different pattern.
In the main series, 4 is added to each number to arrive the next.
In alternate series, 5 is subtracted from each number t arrive the next number.
Here in the main series
3 + 4 = 7
7 + 4 = 11
11 + 4 = 15
15 + 4 = 19
In alternate series
24 - 5 = 19
19 - 5 = 14...
- 4. Choose the correct alternative that will continue the same pattern and replace 'x' in series 5,15,17,85,89,623,x
Options- A. 825
- B. 759
- C. 629
- D. 675 Discuss
Correct Answer: 629
Explanation:
The pattern is *3,+2,*5,+4,*7,+6, . . . . .
So missing term is 623+6=629
- 5. Find the missing number in the given number series? 1 8 36 ? 1100 7701
Options- A. 97
- B. 129
- C. 164
- D. 183 Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: 183
Explanation:
The given number series is 1 8 36 ? 1100 7701
It follows a pattern that,
1
1 x 3 + 5 = 8
8 x 4 + 4 = 36
36 x 5 + 3 = 183
183 x 6 + 2 = 1100
1100 x 7 + 1 = 7701
Hence, the missing number in the given series is 183.
- 6. Find out the wrong term in the series 125, 126, 124, 127, 123, 129
Options- A. 129
- B. 125
- C. 127
- D. 123 Discuss
Correct Answer: 129
Explanation:
The correct pattern is +1, -2, +3, -4, +5, . . . .
So,129 wrong and must be replaced by 123 + 5 = 128
- 7. __bam__amb__m__a__bam
Options- A. mbabm
- B. abmab
- C. mabma
- D. ambbm Discuss
Correct Answer: mbabm
Explanation:
Here "mba" is repeated
- 8. Which number replaces the '?' in the given series 108, 127, 2413, 2430, 41310, ?, 619875
Options- A. 41975
- B. 41325
- C. 84375
- D. 41365 Also asked in: AIEEE, Bank Exams, CAT, GATE, Bank Clerk, Bank PO
Correct Answer: 41325
Explanation:
The given series follows a pattern of +19, x19, +17, x17, +15, x15,...
Here the number which is to be replaced in ? is
41310+15=41325.
- 9. What is the next number in series? 10, 9, 60, 90, 70, 66, ?
Options- A. 73
- B. 19
- C. 96
- D. 22 Also asked in: AIEEE, Bank Exams, CAT, GATE, GRE, Bank Clerk, Bank PO
Correct Answer: 96
Explanation:
ten = 3(number of letters)
nine = 4(number of letters)
sixty = 5(number of letters)
ninety = 6(number of letters)
seventy = 7(number of letters)
sixtysix = 8(number of letters)
ninetysix=96(number of letters)
Then, likwise choose the number which has 9 letters in its Spelling.
- 10. Find the wrong number from the following series ? 37 47 52 67 87 112 142
Options- A. 87
- B. 47
- C. 52
- D. 67 Also asked in: AIEEE, Bank Exams, CAT, GATE, GRE, Bank Clerk, Bank PO
Correct Answer: 47
Explanation:
The given series follows the rule,
+(5x1), +(5x2), +(5x3), +(5x4), +(5x5),....
So starting from 37, 37 + 5 = 42, 42 + 10 = 52, 52 + 15 = 67, 67 + 20 = 87,...
So wrong number is 47 which is to be 42.
More in Verbal Reasoning:
Programming
Copyright ©CuriousTab. All rights reserved.