Dear Friends, SBI Clerk 2018 Notification has been released we hope you all have started your preparation. Here we have started New Series of Practice Materials specially for SBI Clerk / IDBI Executive 2018 . Aspirants those who are preparing for the exams can use this “20-20” Quantitative Aptitude Questions.
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Review
Question 1 of 20
1. Question
Directions (Q. 1-5): What will come in place of question mark (?) in the following number series?
208, 222, 239, 259, ?
Correct
Answer b
The difference is, [(3*5)-1], [(3*6)-1], [(3*7)-1], [(3*8)-1],..
The answer is, 282
Incorrect
Answer b
The difference is, [(3*5)-1], [(3*6)-1], [(3*7)-1], [(3*8)-1],..
The answer is, 282
Question 2 of 20
2. Question
Directions (Q. 1-5): What will come in place of question mark (?) in the following number series?
129, 129, 120, 156, 75, ?
Correct
Answer a
The pattern is, +0^{2}, -3^{2}, +6^{2}, -9^{2}, +12^{2}
The answer is, 219
Incorrect
Answer a
The pattern is, +0^{2}, -3^{2}, +6^{2}, -9^{2}, +12^{2}
The answer is, 219
Question 3 of 20
3. Question
Directions (Q. 1-5): What will come in place of question mark (?) in the following number series?
81, 85, 179, 553, ?
Correct
Answer d
The pattern is, *1 + 2^{2}, *2 + 3^{2}, *3 + 4^{2}, *4 + 5^{2},..
The answer is, 2237
Incorrect
Answer d
The pattern is, *1 + 2^{2}, *2 + 3^{2}, *3 + 4^{2}, *4 + 5^{2},..
The answer is, 2237
Question 4 of 20
4. Question
Directions (Q. 1-5): What will come in place of question mark (?) in the following number series?
120, 210, 336, 504, 720, ?
Correct
Answer c
The pattern is, 4*5*6, 5*6*7, 6*7*8, *7*8*9, 8*9*10, 9*10*11,..
(or)
The difference of difference is, 36, 42, 48,..
The answer is, 990
Incorrect
Answer c
The pattern is, 4*5*6, 5*6*7, 6*7*8, *7*8*9, 8*9*10, 9*10*11,..
(or)
The difference of difference is, 36, 42, 48,..
The answer is, 990
Question 5 of 20
5. Question
Directions (Q. 1-5): What will come in place of question mark (?) in the following number series?
351, 792, 1321, 1946, ?
Correct
Answer b
The pattern is, +21^{2}, +23^{2}, +25^{2}, +27^{2},..
The answer is, 2675
Incorrect
Answer b
The pattern is, +21^{2}, +23^{2}, +25^{2}, +27^{2},..
The answer is, 2675
Question 6 of 20
6. Question
Directions (Q. 6 – 10): What will come in place of question mark (?) in the following questions?
[(17.5 × 28) ÷ 4 – 1320 ÷ 120] = 4 × ?
Correct
Answer a
[(17.5*7) – (1320/120)] = 4x
4x = 122.5 – 11
X = 111.5/4 = 27. 875
Incorrect
Answer a
[(17.5*7) – (1320/120)] = 4x
4x = 122.5 – 11
X = 111.5/4 = 27. 875
Question 7 of 20
7. Question
Directions (Q. 6 – 10): What will come in place of question mark (?) in the following questions?
[(48)^{2} ÷ 24 × ?] ÷ 11 = 576
Correct
Answer d
[((48*48)/24) * x] ÷ 11 = 576
96x/11= 576
X = (576*11)/96 = 66
Incorrect
Answer d
[((48*48)/24) * x] ÷ 11 = 576
96x/11= 576
X = (576*11)/96 = 66
Question 8 of 20
8. Question
Directions (Q. 6 – 10): What will come in place of question mark (?) in the following questions?
(32)^{2} ÷ ∛512 + (15)^{2}÷ 25 = ?
Correct
Answer b
(32*32)/8 + 225/ 25 = x
X = 128 + 9 = 137
Incorrect
Answer b
(32*32)/8 + 225/ 25 = x
X = 128 + 9 = 137
Question 9 of 20
9. Question
Directions (Q. 6 – 10): What will come in place of question mark (?) in the following questions?
(1/2) of 8436 + 98 % of 528 = x – 253
Correct
Answer c
(1/2)* 8436 + (98/100)*528 + 253 = x
X = 4218 + 517.44 + 253
X = 4988.44
Incorrect
Answer c
(1/2)* 8436 + (98/100)*528 + 253 = x
X = 4218 + 517.44 + 253
X = 4988.44
Question 10 of 20
10. Question
Directions (Q. 6 – 10): What will come in place of question mark (?) in the following questions?
(1344 ÷ 14) ÷ 4 + √3136 + x = 802
Correct
Answer d
(1344 ÷ 14) ÷ 4 + √3136 + x = 802
(96/4) + 56 + x = 802
24 + 56 + x = 802
X = 802 – 80
X = 722
Incorrect
Answer d
(1344 ÷ 14) ÷ 4 + √3136 + x = 802
(96/4) + 56 + x = 802
24 + 56 + x = 802
X = 802 – 80
X = 722
Question 11 of 20
11. Question
A basket contains 6 White, 4 Black, 2 Pink and 3 Green balls. If three balls picked up random, what is the probability that all three are White?
Correct
Answer a
Total Balls = 15
Required Probability = 6C3 / 15C3 = 4/91
Incorrect
Answer a
Total Balls = 15
Required Probability = 6C3 / 15C3 = 4/91
Question 12 of 20
12. Question
An amount of Rs 3530 is divided between A, B and C such that if their shares be reduced by Rs 5, Rs 10 and Rs 15 respectively, the remainders shall be in the ratio of 3:5:6. Then find the share of B
Correct
Answer d
Remainder amount after deducting their share = 3530- (5+10+15) = Rs 3500
A, B and C started a business and invested in the ratio of 3: 4: 5. After 4 months A withdrew 1/12 of the amount of what B and C had invested. If the total profit at the end of the year is Rs 9200, then what is the share of B?
Correct
Answer: a
Initial investment of A, B, and C= 3x: 4x: 5x
Ratio of profit
= [3x*4 +(3x- 9x/12)* 8] : [4x*12] : [5x*12]
= [12x + 18x] : [48x] : [60x]
= 30x : 48x : 60x
= 5x : 8x : 10x
23x = 9200
x= 400
Share of B = 8*400= Rs. 3200
Incorrect
Answer: a
Initial investment of A, B, and C= 3x: 4x: 5x
Ratio of profit
= [3x*4 +(3x- 9x/12)* 8] : [4x*12] : [5x*12]
= [12x + 18x] : [48x] : [60x]
= 30x : 48x : 60x
= 5x : 8x : 10x
23x = 9200
x= 400
Share of B = 8*400= Rs. 3200
Question 14 of 20
14. Question
Two pipes A and B can fill a tank in 18 hours and 24 hours respectively, while a third pipe C can empty 60% of the tank in 18 hours. All three pipes are opened in the beginning. After 12 hours C is closed. Find the time at which the tank will be full.
Correct
Answer c
C can empty the tank in =18/60*100= 30 hours
Total units of work= 360
A’s one hour work= 360/18= 20 units
B’s one hour work= 360/24= 15 units
C’s capacity to empty in one hour= 360/30= 12 units
When three pipes are opened simultaneously then in one hour they will
(20+15-12)=23 units
In 12 hours they will fill= 23*12= 276 units
After 12hrs, C will be closed
Time taken by A& B to fill the remaining tank= 84/35= 2 2/5 hours
Total time will be= 12 + 2 2/5 = 14 2/5 hours
Incorrect
Answer c
C can empty the tank in =18/60*100= 30 hours
Total units of work= 360
A’s one hour work= 360/18= 20 units
B’s one hour work= 360/24= 15 units
C’s capacity to empty in one hour= 360/30= 12 units
When three pipes are opened simultaneously then in one hour they will
(20+15-12)=23 units
In 12 hours they will fill= 23*12= 276 units
After 12hrs, C will be closed
Time taken by A& B to fill the remaining tank= 84/35= 2 2/5 hours
Total time will be= 12 + 2 2/5 = 14 2/5 hours
Question 15 of 20
15. Question
A shopkeeper earns a profit of 10% after allowing a discount of 30% on the marked price. Find the Cost Price of the article whose marked price is 1320?
Correct
Answer c
Selling price = 1320*70/100= 924
Cost price = (924/110)*100= Rs. 840
Incorrect
Answer c
Selling price = 1320*70/100= 924
Cost price = (924/110)*100= Rs. 840
Question 16 of 20
16. Question
Directions (Q. 16 – 20): Study the following table carefully and answer the given questions.
Percentage of shares sold by six companies in five cities
T=No. of shares of each company available in that city.
Note: Equal no. of shares of each company is available in a city.
Company
Delhi
T=4000
Patna
T=5000
Chennai
T=4200
Mumbai
T=8600
Kolkata
T=4800
A
28
58
62
65
60
B
53
52
68
35
30
C
55
49
26
50
40
D
45
37
36
40
45
E
35
42
54
25
50
F
27
32
58
45
57
What is the ratio of the number of shares sold by Company A and B together in Chennai to that sold by Company D and E together in the same city?
Correct
Answer c
Number of shares sold in Chennai by Company A= (4200×62)/100=2604
Directions (Q. 16 – 20): Study the following table carefully and answer the given questions.
Percentage of shares sold by six companies in five cities
T=No. of shares of each company available in that city.
Note: Equal no. of shares of each company is available in a city.
Company
Delhi
T=4000
Patna
T=5000
Chennai
T=4200
Mumbai
T=8600
Kolkata
T=4800
A
28
58
62
65
60
B
53
52
68
35
30
C
55
49
26
50
40
D
45
37
36
40
45
E
35
42
54
25
50
F
27
32
58
45
57
What is the difference between the no. of shares sold by Company D, E and F together in Mumbai and that by Company A, B and C together in Delhi?
Correct
Answer b
Required difference
= [8600 × (40+25+45)]/100- [4000× (28+53+55)]/100
= 9460-5440 =4020
Incorrect
Answer b
Required difference
= [8600 × (40+25+45)]/100- [4000× (28+53+55)]/100
= 9460-5440 =4020
Question 18 of 20
18. Question
Directions (Q. 16 – 20): Study the following table carefully and answer the given questions.
Percentage of shares sold by six companies in five cities
T=No. of shares of each company available in that city.
Note: Equal no. of shares of each company is available in a city.
Company
Delhi
T=4000
Patna
T=5000
Chennai
T=4200
Mumbai
T=8600
Kolkata
T=4800
A
28
58
62
65
60
B
53
52
68
35
30
C
55
49
26
50
40
D
45
37
36
40
45
E
35
42
54
25
50
F
27
32
58
45
57
The no. of shares sold by Company B in Kolkata is what per cent less than the no. of shares sold by Company C in Patna? (Rounded off to two digits after decimal)
Correct
Answer d
Required % less= [(50×49-48×30) / (50×49)] ×100
= [(2450-1440)/2450] × 100
= [1010/2450]×100 = 41.22%
Incorrect
Answer d
Required % less= [(50×49-48×30) / (50×49)] ×100
= [(2450-1440)/2450] × 100
= [1010/2450]×100 = 41.22%
Question 19 of 20
19. Question
Directions (Q. 16 – 20): Study the following table carefully and answer the given questions.
Percentage of shares sold by six companies in five cities
T=No. of shares of each company available in that city.
Note: Equal no. of shares of each company is available in a city.
Company
Delhi
T=4000
Patna
T=5000
Chennai
T=4200
Mumbai
T=8600
Kolkata
T=4800
A
28
58
62
65
60
B
53
52
68
35
30
C
55
49
26
50
40
D
45
37
36
40
45
E
35
42
54
25
50
F
27
32
58
45
57
What is the average no. of shares sold by all the companies in Kolkata?
Correct
Answer a
Required average=1/6× 4800[(60+30+40+50+57)/100]
= (800×282)/100 = 2256
Incorrect
Answer a
Required average=1/6× 4800[(60+30+40+50+57)/100]
= (800×282)/100 = 2256
Question 20 of 20
20. Question
Directions (Q. 16 – 20): Study the following table carefully and answer the given questions.
Percentage of shares sold by six companies in five cities
T=No. of shares of each company available in that city.
Note: Equal no. of shares of each company is available in a city.
Company
Delhi
T=4000
Patna
T=5000
Chennai
T=4200
Mumbai
T=8600
Kolkata
T=4800
A
28
58
62
65
60
B
53
52
68
35
30
C
55
49
26
50
40
D
45
37
36
40
45
E
35
42
54
25
50
F
27
32
58
45
57
What is the total no. of shares sold by Company F in all the five cities taken together?
Directions (Q. 1-5): What will come in place of question mark (?) in the following number series?
208, 222, 239, 259, ?
344
282
378
296
None of these
129, 129, 120, 156, 75, ?
219
298
312
356
None of these
81, 85, 179, 553, ?
1123
1356
2674
2237
None of these
120, 210, 336, 504, 720, ?
856
1028
990
1156
None of these
351, 792, 1321, 1946, ?
2343
2675
2987
2786
None of these
Directions (Q. 6 – 10): What will come in place of question mark (?) in the following questions?
[(17.5 × 28) ÷ 4 – 1320 ÷ 120] = 4 × ?
27.875
25.565
32.285
36.425
None of these
[(48)^{2} ÷ 24 × ?] ÷ 11 = 576
114
198
78
66
None of these
(32)^{2} ÷ ∛512 + (15)^{2}÷ 25 = ?
63
137
215
321
None of these
(1/2) of 8436 + 98 % of 528 = x – 253
2756.88
3845.88
4988.44
5671.44
None of these
(1344 ÷ 14) ÷ 4 + √3136 + x = 802
634
598
456
722
None of these
A basket contains 6 White, 4 Black, 2 Pink and 3 Green balls. If three balls picked up random, what is the probability that all three are White?
4/91
5/93
7/97
8/92
None of these
An amount of Rs 3530 is divided between A, B and C such that if their shares be reduced by Rs 5, Rs 10 and Rs 15 respectively, the remainders shall be in the ratio of 3:5:6. Then find the share of B
880
1080
1150
1260
None of these.
A, B and C started a business and invested in the ratio of 3: 4: 5. After 4 months A withdrew 1/12 of the amount of what B and C had invested. If the total profit at the end of the year is Rs 9200, then what is the share of B?
3200
4800
2600
3000
3750
Two pipes A and B can fill a tank in 18 hours and 24 hours respectively, while a third pipe C can empty 60% of the tank in 18 hours. All three pipes are opened in the beginning. After 12 hours C is closed. Find the time at which the tank will be full.
15 3/5 hours
13 3/5 hours
14 2/5 hours
15 4/5 hours
None of these
A shopkeeper earns a profit of 10% after allowing a discount of 30% on the marked price. Find the Cost Price of the article whose marked price is 1320?
900
760
840
1060
None of these
Directions (Q. 16 – 20): Study the following table carefully and answer the given questions.
Percentage of shares sold by six companies in five cities
T=No. of shares of each company available in that city.
Note: Equal no. of shares of each company is available in a city.
Company
Delhi
T=4000
Patna
T=5000
Chennai
T=4200
Mumbai
T=8600
Kolkata
T=4800
A
28
58
62
65
60
B
53
52
68
35
30
C
55
49
26
50
40
D
45
37
36
40
45
E
35
42
54
25
50
F
27
32
58
45
57
What is the ratio of the number of shares sold by Company A and B together in Chennai to that sold by Company D and E together in the same city?
10:3
11:13
13:9
12:11
19:13
What is the difference between the no. of shares sold by Company D, E and F together in Mumbai and that by Company A, B and C together in Delhi?
5040
4020
4120
5020
5440
The no. of shares sold by Company B in Kolkata is what per cent less than the no. of shares sold by Company C in Patna? (Rounded off to two digits after decimal)
51.22%
48.22%
30.33%
41.22%
33.33%
What is the average no. of shares sold by all the companies in Kolkata?
2256
1856
1965
2050
None of these
What is the total no. of shares sold by Company F in all the five cities taken together?
12342
8752
9842
11722
7652
Answers:
Directions (Q. 1-5):
Answer b
The difference is, [(3*5)-1], [(3*6)-1], [(3*7)-1], [(3*8)-1],..
The answer is, 282
Answer a
The pattern is, +0^{2}, -3^{2}, +6^{2}, -9^{2}, +12^{2}
The answer is, 219
Answer d
The pattern is, *1 + 2^{2}, *2 + 3^{2}, *3 + 4^{2}, *4 + 5^{2},..
The answer is, 2237
Answer c
The pattern is, 4*5*6, 5*6*7, 6*7*8, *7*8*9, 8*9*10, 9*10*11,..
(or)
The difference of difference is, 36, 42, 48,..
The answer is, 990
Answer b
The pattern is, +21^{2}, +23^{2}, +25^{2}, +27^{2},..
The answer is, 2675
Directions (Q. 6 – 10):
Answer a
[(17.5*7) – (1320/120)] = 4x
4x = 122.5 – 11
X = 111.5/4 = 27. 875
Answer d
[((48*48)/24) * x] ÷ 11 = 576
96x/11= 576
X = (576*11)/96 = 66
Answer b
(32*32)/8 + 225/ 25 = x
X = 128 + 9 = 137
Answer c
(1/2)* 8436 + (98/100)*528 + 253 = x
X = 4218 + 517.44 + 253
X = 4988.44
Answer d
(1344 ÷ 14) ÷ 4 + √3136 + x = 802
(96/4) + 56 + x = 802
24 + 56 + x = 802
X = 802 – 80
X = 722
Answer a
Total Balls = 15
Required Probability = 6C3 / 15C3 = 4/91
Answer d
Remainder amount after deducting their share = 3530- (5+10+15) = Rs 3500