“20-20” Quantitative Aptitude | Crack SBI PO Prelims 2018 Day-125
Dear Readers, Find the aptitude test questions to crack latest bank exams. We regularly provide 20 aptitude test questions daily for students. Aspirants practice these questions on a regular basis to improve your score in aptitude section. Aspirants preparing for the exams can make use of this “20-20” Quantitative Aptitude Questions. SBI PO Prelims 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 PO Prelims 2018. Aspirants those who are preparing for the exams can use this “20-20” Quantitative Aptitude Questions.
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“20-20” Aptitude Questions | Crack SBI PO Prelims 2018 Day-125
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Review
Question 1 of 20
1. Question
Directions (Q. 1 – 5): What approximate value should come in the place of question mark (?) in the following questions?
21 × 320.19 ÷ 8.21 +? – 3499 = 12
Correct
Directions (Q. 1 – 5):
Answer c
21*(320/8) + x – 3500 = 12
840 + x – 3500 = 12
X = 12 – 840 + 3500
X = 2672
Incorrect
Directions (Q. 1 – 5):
Answer c
21*(320/8) + x – 3500 = 12
840 + x – 3500 = 12
X = 12 – 840 + 3500
X = 2672
Question 2 of 20
2. Question
Directions (Q. 1 – 5): What approximate value should come in the place of question mark (?) in the following questions?
16 × 1259 ÷ 28 % of 1499 =?
Correct
Answer a
16*1260 ÷ [(28/100)*1500] = x
X = 16*1260 ÷ 420
X = (16*1260)/420 = 48
Incorrect
Answer a
16*1260 ÷ [(28/100)*1500] = x
X = 16*1260 ÷ 420
X = (16*1260)/420 = 48
Question 3 of 20
3. Question
Directions (Q. 1 – 5): What approximate value should come in the place of question mark (?) in the following questions?
32 % of 1899 – (1/9) of (?) = 54
Correct
Answer d
(32/100)*1900 – (1/9)*x = 54
608 – (x/9) = 54
608 – 54 = (x/9)
554*9 = x
X = 4986
Incorrect
Answer d
(32/100)*1900 – (1/9)*x = 54
608 – (x/9) = 54
608 – 54 = (x/9)
554*9 = x
X = 4986
Question 4 of 20
4. Question
Directions (Q. 1 – 5): What approximate value should come in the place of question mark (?) in the following questions?
(3/7) of (49/27) of 4139 =? + 13.81
Correct
Answer e
(3/7)*(49/27)*4140 = x + 14
3220 – 14 = x
X = 3206
Incorrect
Answer e
(3/7)*(49/27)*4140 = x + 14
3220 – 14 = x
X = 3206
Question 5 of 20
5. Question
Directions (Q. 1 – 5): What approximate value should come in the place of question mark (?) in the following questions?
63 % of 1301 + (4/15) of 3674 =?
Correct
Answer b
(63/100)*1300 + (4/15)*3675 = x
X = 819 + 980
X = 1799 = 1800
Incorrect
Answer b
(63/100)*1300 + (4/15)*3675 = x
X = 819 + 980
X = 1799 = 1800
Question 6 of 20
6. Question
Directions (Q. 6 – 10): What value should come in the place of question mark (?) in the following number series?
8, 10, 18, 44, 124, ?
Correct
Directions (Q. 6 – 10):
Answer c
The difference of difference of difference is, *3
The answer is, 366
Incorrect
Directions (Q. 6 – 10):
Answer c
The difference of difference of difference is, *3
The answer is, 366
Question 7 of 20
7. Question
Directions (Q. 6 – 10): What value should come in the place of question mark (?) in the following number series?
4, 4, 21, 68, ? , 2154
Correct
Answer a
The pattern is, *2 -2^{2}, *3 +3^{2}, *4 – 4^{2}, *5 + 5^{2}, *6 – 6^{2},..
The answer is, 365
Incorrect
Answer a
The pattern is, *2 -2^{2}, *3 +3^{2}, *4 – 4^{2}, *5 + 5^{2}, *6 – 6^{2},..
The answer is, 365
Question 8 of 20
8. Question
Directions (Q. 6 – 10): What value should come in the place of question mark (?) in the following number series?
71, 90, 128, 185, 261, ?
Correct
Answer b
The pattern is, +(1*19), +(2*19), +(3*19), +(4*19), +(5*19),..
The answer is, 356
Incorrect
Answer b
The pattern is, +(1*19), +(2*19), +(3*19), +(4*19), +(5*19),..
The answer is, 356
Question 9 of 20
9. Question
Directions (Q. 6 – 10): What value should come in the place of question mark (?) in the following number series?
23, 24, 32, 41, ? , 130, 346
Correct
Answer e
The pattern is, +1^{2}, +2^{3}, +3^{2}, +4^{3}, +5^{2}, +6^{3},..
The answer is, 105
Incorrect
Answer e
The pattern is, +1^{2}, +2^{3}, +3^{2}, +4^{3}, +5^{2}, +6^{3},..
The answer is, 105
Question 10 of 20
10. Question
Directions (Q. 6 – 10): What value should come in the place of question mark (?) in the following number series?
69, 35, 36, 55.5, 113, ?
Correct
Answer d
The pattern is, *0.5 + 0.5, *1 +1, *1.5 +1.5, *2 +2, *2.5 +2.5….
The answer is, 285
Incorrect
Answer d
The pattern is, *0.5 + 0.5, *1 +1, *1.5 +1.5, *2 +2, *2.5 +2.5….
The answer is, 285
Question 11 of 20
11. Question
A basket contains 5 Violet, 6 Black, 3 Pink and 4 Green balls. If three balls picked up random, what is the probability that two balls are green and one is violet?
Correct
Answer c
Total Balls = 18
Required Probability = (4C_{2} and 5C_{1}) / 18C_{3}
= > 5/136
Incorrect
Answer c
Total Balls = 18
Required Probability = (4C_{2} and 5C_{1}) / 18C_{3}
= > 5/136
Question 12 of 20
12. Question
P, Q and R started a business by investing Rs. 15000, Rs. 22000 and Rs. 27000 respectively. After 5 months, Q invested Rs. 3000 more and R withdraw Rs. 2000. Find the share of P, if the share of R at the end of the year is Rs. 15500?
4 years ago, the ages of Aravind and Hema are in the ratio of 8 : 7. Five years ago, Aravind’s age is equal to Hema’s age after 1 year. Then find the present age Aravind?
Correct
Answer d
4 years ago, the ratio of ages of Aravind and Hema = 8 : 7 (8x, 7x)
Present ages of Aravind and Hema = 8x + 4, 7x + 4
According to the question,
8x + 4 – 5 = 7x + 4 + 1
8x – 1 = 7x + 5
X = 6
Present age of Aravind = 8x + 4 = 52 years
Incorrect
Answer d
4 years ago, the ratio of ages of Aravind and Hema = 8 : 7 (8x, 7x)
Present ages of Aravind and Hema = 8x + 4, 7x + 4
According to the question,
8x + 4 – 5 = 7x + 4 + 1
8x – 1 = 7x + 5
X = 6
Present age of Aravind = 8x + 4 = 52 years
Question 15 of 20
15. Question
The average age of 35 students in a class is 18 years. If the age of the teacher is included then the average increases by 1 then find the age of the teacher’s son, whose age is (1/3) of teacher’s age?
Correct
Answer c
Total age of 35 students = 35*18 = 630
Total age of 35 students and teacher = 36*19 = 684
Age of teacher = 684 – 630 = 54
Age of teacher’s son = (1/3)*54 = 18 years
Shortcut:
N Average
35 18
36 19
If both n and Average increased by 1, then the age of the teacher is,
Age of teacher = (35 + 19) or (36 + 18) = 54
Age of teacher’s son = (1/3)*54 = 18 years
Incorrect
Answer c
Total age of 35 students = 35*18 = 630
Total age of 35 students and teacher = 36*19 = 684
Age of teacher = 684 – 630 = 54
Age of teacher’s son = (1/3)*54 = 18 years
Shortcut:
N Average
35 18
36 19
If both n and Average increased by 1, then the age of the teacher is,
Age of teacher = (35 + 19) or (36 + 18) = 54
Age of teacher’s son = (1/3)*54 = 18 years
Question 16 of 20
16. Question
Directions (Q. 16 – 20) Study the following information carefully and answer the given questions:
Following table shows the total number of people went for a different famous place in a certain week and the ratio of male and female also given.
Total number of people visited Taj Mahal and Golden Temple together is approximately what percentage of total number of people visited Qutub Minar and Red Fort together?
Correct
Directions (Q. 16 – 20)
Answer b
Total number of people visited Taj Mahal and Golden Temple together
= > 5200 + 3200 = 8400
Total number of people visited Qutub Minar and Red Fort together
= > 2600 + 3600 = 6200
Required % = (8400/6200)*100 = 135 %
Incorrect
Directions (Q. 16 – 20)
Answer b
Total number of people visited Taj Mahal and Golden Temple together
= > 5200 + 3200 = 8400
Total number of people visited Qutub Minar and Red Fort together
= > 2600 + 3600 = 6200
Required % = (8400/6200)*100 = 135 %
Question 17 of 20
17. Question
Directions (Q. 16 – 20) Study the following information carefully and answer the given questions:
Following table shows the total number of people went for a different famous place in a certain week and the ratio of male and female also given.
Find the ratio between the total number of male visited Mahapalipuram to that of total number of female visited Golden temple?
Correct
Answer a
The total number of male visited Mahapalipuram
= > 4500*(2/3) = 3000
The total number of female visited Golden temple
= > 3200*(3/8) = 1200
Required ratio = 3000: 1200 = 5: 2
Incorrect
Answer a
The total number of male visited Mahapalipuram
= > 4500*(2/3) = 3000
The total number of female visited Golden temple
= > 3200*(3/8) = 1200
Required ratio = 3000: 1200 = 5: 2
Question 18 of 20
18. Question
Directions (Q. 16 – 20) Study the following information carefully and answer the given questions:
Following table shows the total number of people went for a different famous place in a certain week and the ratio of male and female also given.
Find the difference between the total number of male visited Qutub Minar and Red Fort together to that of female visited the same places?
Correct
Answer c
The total number of male visited Qutub Minar and Red Fort together
= > 2600*(5/13) + 3600*(5/9)
= > 1000 + 2000 = 3000
The total number of female visited Qutub Minar and Red Fort together
= > 2600*(8/13) + 3600*(4/9)
= > 1600 + 1600 = 3200
Required difference = 3200 – 3000 = 200
Incorrect
Answer c
The total number of male visited Qutub Minar and Red Fort together
= > 2600*(5/13) + 3600*(5/9)
= > 1000 + 2000 = 3000
The total number of female visited Qutub Minar and Red Fort together
= > 2600*(8/13) + 3600*(4/9)
= > 1600 + 1600 = 3200
Required difference = 3200 – 3000 = 200
Question 19 of 20
19. Question
Directions (Q. 16 – 20) Study the following information carefully and answer the given questions:
Following table shows the total number of people went for a different famous place in a certain week and the ratio of male and female also given.
Find the average number of female visited Taj Mahal and Red Fort together?
Correct
Answer d
The total number of female visited Taj Mahal and Red Fort together
= > 5200*(3/4) + 3600*(4/9)
= > 3900+ 1600 = 5500
Required average = 5500/2 = 2750
Incorrect
Answer d
The total number of female visited Taj Mahal and Red Fort together
= > 5200*(3/4) + 3600*(4/9)
= > 3900+ 1600 = 5500
Required average = 5500/2 = 2750
Question 20 of 20
20. Question
Directions (Q. 16 – 20) Study the following information carefully and answer the given questions:
Following table shows the total number of people went for a different famous place in a certain week and the ratio of male and female also given.
Total number of people visited Mahapalipuram is what percentage of total number of people visited Red Fort?
Correct
Answer b
Required % = (4500/3600)*100 = 125 %
Incorrect
Answer b
Required % = (4500/3600)*100 = 125 %
Click “Start Quiz” to attend these Questions and view Solutions
Directions (Q. 1 – 5): What approximate value should come in the place of question mark (?) in the following questions?
21 × 320.19 ÷ 8.21 +? – 3499 = 12
3156
2824
2672
3530
1955
16 × 1259 ÷ 28 % of 1499 =?
48
56
34
40
52
32 % of 1899 – (1/9) of (?) = 54
3568
4172
3036
4986
4428
(3/7) of (49/27) of 4139 =? + 13.81
2852
3024
2478
3580
3206
63 % of 1301 + (4/15) of 3674 =?
1500
1800
2000
2200
1250
Directions (Q. 6 – 10): What value should come in the place of question mark (?) in the following number series?
8, 10, 18, 44, 124, ?
258
324
366
282
380
4, 4, 21, 68, ? , 2154
365
226
312
287
389
71, 90, 128, 185, 261, ?
324
356
382
418
450
23, 24, 32, 41, ? , 130, 346
86
72
94
117
105
69, 35, 36, 55.5, 113, ?
316
242
257
285
324
A basket contains 5 Violet, 6 Black, 3 Pink and 4 Green balls. If three balls picked up random, what is the probability that two balls are green and one is violet?
7/125
9/117
5/136
15/73
None of these
P, Q and R started a business by investing Rs. 15000, Rs. 22000 and Rs. 27000 respectively. After 5 months, Q invested Rs. 3000 more and R withdraw Rs. 2000. Find the share of P, if the share of R at the end of the year is Rs. 15500?
Rs. 9000
Rs. 8250
Rs. 9150
Rs. 8700
None of these
The price of a Fridge is marked at Rs. 30000. If successive discount of 25%, 10 % and 8 % be allowed, then at what price does a customer buy it?
Rs. 15780
Rs. 18630
Rs. 17320
Rs. 16540
None of these
4 years ago, the ages of Aravind and Hema are in the ratio of 8 : 7. Five years ago, Aravind’s age is equal to Hema’s age after 1 year. Then find the present age Aravind?
40 years
44 years
46 years
52 years
None of these
The average age of 35 students in a class is 18 years. If the age of the teacher is included then the average increases by 1 then find the age of the teacher’s son, whose age is (1/3) of teacher’s age?
21 years
19 years
18 years
20 years
None of these
Directions (Q. 16 – 20) Study the following information carefully and answer the given questions:
Following table shows the total number of people went for a different famous place in a certain week and the ratio of male and female also given.
Total people
Male : Female
Taj Mahal
5200
1 : 3
Qutub Minar
2600
5 : 8
Golden temple
3200
5 : 3
Mahapalipuram
4500
2 : 1
Red Fort
3600
5 : 4
Total number of people visited Taj Mahal and Golden Temple together is approximately what percentage of total number of people visited Qutub Minar and Red Fort together?
120 %
135 %
127 %
102 %
94 %
Find the ratio between the total number of male visited Mahapalipuram to that of total number of female visited Golden temple?
5 : 2
3 : 1
7 : 5
9 : 7
None of these
Find the difference between the total number of male visited Qutub Minar and Red Fort together to that of female visited the same places?
270
300
200
350
420
Find the average number of female visited Taj Mahal and Red Fort together?
2100
2200
1870
2750
None of these
Total number of people visited Mahapalipuram is what percentage of total number of people visited Red Fort?
114 %
125 %
136 %
148 %
103 %
Answers:
Directions (Q. 1 – 5):
Answer c
21*(320/8) + x – 3500 = 12
840 + x – 3500 = 12
X = 12 – 840 + 3500
X = 2672
Answer a
16*1260 ÷ [(28/100)*1500] = x
X = 16*1260 ÷ 420
X = (16*1260)/420 = 48
Answer d
(32/100)*1900 – (1/9)*x = 54
608 – (x/9) = 54
608 – 54 = (x/9)
554*9 = x
X = 4986
Answer e
(3/7)*(49/27)*4140 = x + 14
3220 – 14 = x
X = 3206
Answer b
(63/100)*1300 + (4/15)*3675 = x
X = 819 + 980
X = 1799 = 1800
Directions (Q. 6 – 10):
Answer c
The difference of difference of difference is, *3
The answer is, 366
Answer a
The pattern is, *2 -2^{2}, *3 +3^{2}, *4 – 4^{2}, *5 + 5^{2}, *6 – 6^{2},..
The answer is, 365
Answer b
The pattern is, +(1*19), +(2*19), +(3*19), +(4*19), +(5*19),..
The answer is, 356
Answer e
The pattern is, +1^{2}, +2^{3}, +3^{2}, +4^{3}, +5^{2}, +6^{3},..
The answer is, 105
Answer d
The pattern is, *0.5 + 0.5, *1 +1, *1.5 +1.5, *2 +2, *2.5 +2.5….
The answer is, 285
Answer c
Total Balls = 18
Required Probability = (4C_{2} and 5C_{1}) / 18C_{3}