Quantitative Aptitude Questions For SBI Clerk Prelims : 27 - 01 - 18

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Q.1 - In the following number series find the wrong term-

निम्नलिखित संख्या श्रृंखला में गलत पद ज्ञात करें -

16       17         48           123           508           2565

1. 16
2. 17
3. 48
4. 508
5. None of these

Sol:  3

  1+12       2+22        3+32          4+42           5+52

Q.2 - In the following number series find the wrong term-

निम्नलिखित संख्या श्रृंखला में गलत पद ज्ञात करें 

3750       3000        2400          1920           1536           1248

1. 3000
2. 3750
3. 1920
4. 1248
5. None of these

Sol: 4                                              
hence at place of 1248, 1228.8 should come

Q.3 - In the following number series find the wrong term

निम्नलिखित संख्या श्रृंखला में गलत पद ज्ञात करें  -

12        8          16          7           22         10

1. 16
2. 7
3. 10
4. 8
5. None of these

Sol:  4
the given pattern is
 2-1             3+1                 2-1             3+1            2-1  

hence at place of 8, 5 should come

Q.4 - In the following question find the values of variables and mark the correct option accordingly

निम्न प्रश्न में चर का मान  ढूँढें और उसके अनुसार सही विकल्प को चुनें 

3x2 + 35x + 102 = 0
3y2   + 19y + 28 = 0

1. x > y
2. x > y
3. x < y
4. x < y
5. x = y or relationship cannot be determined

Sol: 4
x=-6 , -17/3
y=-4 , -7/3

Q.5 - In the following question find the values of variables and mark the correct option accordingly

निम्न प्रश्न में चर का मान ढूँढें और उसके अनुसार सही विकल्प को चुनें

x2 + 19x – 1316 = 0

y2 - 61y + 924 = 0

1. x > y
2. x > y
3. x < y
4. x < y
5. x=y or relationship can not be determined

Sol:  2
x = - 47,28
y  = 33,28

Q.6- In the following question what approximate value should come at place of question mark(?)

निम्नलिखित प्रश्न में प्रश्न चिह्न(?) के स्थान पर लगभग क्या मान आना चाहिए 

142.8% of 240+312.5% of 85=?2 + 242

1. 2
2. 6
3. 9
4. 11
5. 13

SOL: 2

342.72 + 265.625 – 576 = ?2
?=5.7(Approx)

Q.7- In the following question what approximate value should come at place of question mark(?)

निम्नलिखित प्रश्न में प्रश्न चिह्न(?) के स्थान पर लगभग क्या मान आना चाहिए 

                                                     

1. 78
2. 42
3. 137
4. 120
5. 162

SOL: 4

?% of  240=602.91-315
?=120(Approx)

Q.8 - In the following question what approximate value should come at place of question mark(?)

निम्नलिखित प्रश्न में प्रश्न चिह्न(?) के स्थान पर लगभग क्या मान आना चाहिए 

459% of 73+12.5% of  1080= 50 % of ? + 172

1. 288
2. 362
3. 415
4. 527
5. 195

SOL: 2

335+135-289=181=50% of ?
? = 362

Q.9 - A boat takes 4 hours 30 minutes to cover 48 Kms downstream and 45 Kms upstream . While it takes 5 hour 30 minutes to cover 36 Km downstream and 72 Kms upstream. Find the speed of stream ?

एक नाव 4 घंटे 30 मिनट में 48 किलोमीटर की बहाव की दिशा में  और 45 किलोमीटर बहाव की विपरीत दिशा में जाती है | जबकि 36 किमी  बहाव की दिशा में तथा  72 किलोमीटर बहाव की विपरीत दिशा में जाने में  5 घंटे 30 मिनट का समय लेती  हैं। बहाव की चाल ज्ञात कीजिये  है?

1. 3.5 Km/h
2. 4 Km/h
3. 3 Km/h
4. 2.5 Km/h
5. None of these

SOL: 3


From above, D = 24, U = 18
Speed of current = 3 kmph

Q.10 - Ratio of students in three claases A,B and C is 5:3:4 . When 18 students are transferred from class C to class A, new ratio of students in classes becomes 7:4:5. Find the number of students in class B?

तीन कक्षाओ A, B तथा  C में छात्रों का अनुपात 5: 3: 4 है | जब 18 छात्रों को कक्षा C से कक्षा A में स्थानांतरित किया जाता है, कक्षा में छात्रों का नया  अनुपात 7: 4: 5 हो जाता है  हैं। कक्षा B में छात्रों की संख्या का पता लगाएं?

1. Cannot be determined
2. 320
3. 216
4. 180
5. None of these

Sol : 3 

5 : 3 : 4 )4   =        20 : 12 : 16
7 : 4 : 5 )3   =        21 : 12 : 15
Change in A and C 1=18
 then 12 =216





Answer key:

Q.1. 3

Q.2. 4

Q.3. 4

Q.4. 4

Q.5. 2

Q.6. 2

Q.7. 4

Q.8. 2

Q.9. 3

Q.10.  3