# Quantitative Aptitude: Number Series Set 27

Directions: The following series are based on a specific pattern. In these series one number is wrong, find that odd one.

1. 5, 12, 23, 50, 141, ?
A) 415
B) 430
C) 439
D) 488
E) 452
Â Option D
Pattern:Â
5……….12………23………..50……….141…………488
….+7…….+11……….+27……….+91………+347
………+4……..+16……….+64………+256
2. 7, 13, 25, 45, 75, ?
A) 117
B) 153
C) 209
D) 123
E)Â 141
Â Option A
Pattern: Â
7 + (2Ã—3) = 13
13 + (3Ã—4) = 25
25 + (4Ã—5) = 45
45 + (5Ã—6) = 75
75 + (6Ã—7) = 117
3. 4, 11, 19, 41, ?, 161
A) 62
B) 108
C) 79
D) 90
E) 85
Â Option C
Pattern:Â
4 Ã— 2 + 3 = 11
11 Ã— 2 – 3 = 19
19 Ã— 2 + 3 = 41
41Â Ã— 2 – 3 = 79
79 Ã— 2 + 3 = 161
4. 4, 8, 21, 59, ?, 314
A) 146
B) 134
C) 125
D) 191
E) 126
Â Option A
Pattern:Â
4……….8………21………..59……….146…………314
….+4…….+13…….+38………+87………+168
………+32…….+52……..+72………+92
5. 11, 6, 5, 9, 16, ?
A) 66.5
B) 78.5
C) 89.5
D) 42.5
E) 31.5
Â Option D
Pattern:Â
11 Ã—0.5 + 0.5 = 6
6 Ã—1 – 1 = 5
5 Ã—1.5 + 1.5 = 9
9 Ã—1 – 1 = 16
16 Ã—2.5 + 2.5 = 42.5
6. 5, 8, 28, 162, ?, 12870
A) 1738
B) 2318
C) 1288
D) 2224
E) 2950
Â Option C
Pattern:Â
Ã—2 – 2, Ã—4 – 4, Ã—6 – 6, Ã—8 – 8, Ã—10 – 10.
7. 3, 5, 10, 20, 37, ?
A) 68
B) 77
C) 78
D) 61
E) 63
Â Option E
Pattern:Â
Â + (12+1), + (22+1), + (32+1), + (42+1), + (52+1)
8. 21, 35, 56, 91, 154, ?
A) 273
B) 289
C) 231
D) 240
E) 245
Â Option A
Pattern:
21 Ã— 2 – 7Â = 35
35 Ã— 2 – 14 = 56
56 Ã— 2 – 21 = 91
91 Ã— 2 – 28 = 154
154 Ã— 2 – 35Â = 273
9. 5, 7, 11, 37, 143, ?
A) 733
B) 721
C) 764
D) 750
E) 784
Â Option B
Pattern:Â
5 Ã— 1 + 2 = 7
7 Ã— 2 – 3 = 11
11 Ã— 3 + 4 = 37
37 Ã— 4 – 5 = 143
143 Ã— 5 + 6 = 721
10. 5, 7, 25, 131, ?, 8335
A) 865
B) 914
C) 1025
D) 802
E) 925
Â Option E
Pattern:Â
5 Ã— 1 + 2 = 7
7 Ã— 3 + 4 = 25
25 Ã— 5 + 6 = 131
131 Ã— 7 + 8 = 925
925 Ã— 9 + 10 = 8335

## 47 Thoughts to “Quantitative Aptitude: Number Series Set 27”

1. K!nG Iz B!nG

10x team??

2. aayat

2, 12, 23, 50, 141, ?

1. aayat

ok ty

3. Sachin Shukla

9/10 thankuu nice qsn pre exam type….

4. Sachin Shukla

Three taps A,B and C can fill a tank in 12,15 and 20 hours respectively. If A is open all the time and B ,C are open for one hour each alternatively, the tank will be full in:????????

1. Mera bhi din ayega :)))

7 hr ?

1. Sachin Shukla

how?

1. Mera bhi din ayega :)))

12…15…20 lcm 60 capacity of tank
Now a ki eff 5
B ki eff 4
C ki eff 3
Now first hr me 9 fill hoga by a n b
And next hr me 8 fill hoga by a n c
So 2 hr me 17(8+9) fill hoga
6 hr me 51 fill hoga
Left 9 a n b fill karenge next ek hr me
So finally 7 hr

1. Sachin Shukla

kyaa dimak h aapka:))

2. Mera bhi din ayega :)))

:p
Aapse kam hi h

3. Sachin Shukla

aree nai apka mere se bhttt jadaa h..mujhe word problem me problem hoti h…

4. Mera bhi din ayega :)))

Upar vala thodi der me karenge abhi kam h

5. Sachin Shukla

ok

6. Sachin Shukla

i think ur maths word problem is very strong…ab meri bhi help ho jayegi apse naa ji

7. Mera bhi din ayega :)))

Strong to nahi bas kk kk h ayega to jarur bata denge

8. Sachin Shukla

thankuuu soo much…dear

9. Mera bhi din ayega :)))

Niche vale ka ans confirm karo

10. Sachin Shukla

iska to 7hrs correct h…

2. Oliver Queen

yep

3. Sachin Shukla

There is an empty reservoir whose capacity is 30 litres. There is an inlet pipe which fills at 5 L/min and there is an outlet pipe which empties at 4 L/min. Both the pipes function alternately for 1 minute. Assuming that the inlet pipe is the first one to function, how much time will it take for the reservoir to be filled up to its capacity???

1. Mera bhi din ayega :)))

Iska ans 60 min h ???

1. Sachin Shukla

51min aa raha…

2. Mera bhi din ayega :)))

Yes see how
Ek inlet ek outlet h kk
First 5 l fill kar raha h
Second 4 lt out kar raha h
To acc to qus alternatively chal rahe h dono matlab firat min inlet chala second min oulet chala
To 2 min me 1 lt hi to fill hoga kuki 5 bhara 4 khali hua finally 1 hi to bhara
Ab see isme first jo given hota h na utna kam kar do matlab total 30capacity thi to 5 lt kam karo matlab 25 lt
Ab 2 min me 1 lt
To 50 min me 25 lt
Ab inlet ki bari ayegi
5 lt fill kar dega next min me
So 30 lt in 51 min

3. Sachin Shukla

aap kis state se h?

4. Mera bhi din ayega :)))

Jaha se aap ho :p

5. Sachin Shukla

hehehe..apko pata h mai kaha se..?

6. Mera bhi din ayega :)))

Hmm ek chat me pada tha ðŸ˜€

7. Sachin Shukla

4. Sachin Shukla

isko bhi bataiye,,..na ji

5. Sachin Shukla

Two partners investede Rs. 1250 and Rs. 850 respectively in a business. They distributed 60% of the profit equally and decide to distribute the remaining 40% as the ratio of their capitals. If one partner received Rs. 30 more than the other, find the total profit????

1. Mera bhi din ayega :)))

Let 100x profit h so 60x a n b me equally divide hoga to dono ko 30x milega
Next jo 40x h vo unke capital ke ratio me divide hoga that means
1250 : 850
25:17 now 42 =40x
So 25 =40x*25/42
And 17=40x*17/42
Iska diff lo
40x *8/42=30
So 4x= 42*3/8
100x = 42*3*25/8
=393.75

1. Mera bhi din ayega :)))

Vaise yaha ye 60 x ka koi use nahi h sidhe ratio lo and 40x me divide kar lo and phir diff lekar 30 ke equal le lo usko bas ho jayega

2. ravi

hum ratio tak kar liya ,,,,next kaisa solve hoga

3. Mera bhi din ayega :)))

Upar kiya to h ratio lene ke baad unka part nikalo as 40x total tha phor uska diff lo and usko 30 ke equal kar do

2. Player

A:B = 25:17
40% T (25-17) /42 =30
T =393.75

2. ravi

7 hr

5. Mera bhi din ayega :)))

9/10
6th nhi bani

6. ravi

thanks az:))

7. Sourav

10/10

8. princess(@@@@)

Thnx shubhra mam…?

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