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SBI PO 2020 — Quantitative Aptitude Questions with Answers
All 38 Quantitative Aptitude previous-year questions from SBI PO 2020, each with the correct answer and a full explanation. Practise them as a free, timed mock test with instant scoring.
Practice Quantitative Aptitude as a timed test →- Q1.Quantitative Aptitude
Bar graph shows percentage distribution of total CDs ordered by four shopkeepers (A, B, C, D) and percentage of CDs sold by each out of total ordered by each. Total CDs ordered by all four together = 600. [Ordered %: A=25, B=15, C=40, D=20; Sold %: A=20, B=40, C=35, D=25]. Total unsold CDs by A & D together are how much more than total sold CDs by C?
- a)126
- b)132
- c)128
- d)116
- e)118
- Q2.Quantitative Aptitude
[Refer to the CD bar graph in Q31] If total CDs sold by shopkeeper E are 125% more than total CDs sold by B and E sold 27% of total ordered CDs by E, then total CDs ordered by E are what percent more than total CDs ordered by C?
- a)36%
- b)15%
- c)30%
- d)20%
- e)25%
- Q3.Quantitative Aptitude
[Refer to the CD bar graph in Q31] Find average number of unsold CDs by B, C & D.
- a)120
- b)100
- c)80
- d)110
- e)72
- Q4.Quantitative Aptitude
[Refer to the CD bar graph in Q31] Find ratio of total CDs sold by A & D together to total CDs sold by B.
- a)5 : 3
- b)3 : 5
- c)5 : 4
- d)5 : 6
- e)4 : 5
- Q5.Quantitative Aptitude
[Refer to the CD bar graph in Q31] If total CDs ordered by shopkeeper X is 100% more than total unsold CDs by D and X sold 30% of total ordered CDs, then unsold CDs by X are what percent of unsold CDs by A?
- a)105%
- b)110%
- c)100%
- d)96%
- e)90%
- Q6.Quantitative Aptitude
Solve both equations and mark the relationship. I. x^2 - 7x + 10 = 0 II. y^2 - 2y - 3 = 0
- a)x > y
- b)x >= y
- c)x < y
- d)x <= y
- e)x = y or relationship cannot be established
- Q7.Quantitative Aptitude
Solve both equations and mark the relationship. I. x^2 - 24x + 143 = 0 II. y^2 - 29y + 210 = 0
- a)x > y
- b)x >= y
- c)x < y
- d)x <= y
- e)x = y or relationship cannot be established
- Q8.Quantitative Aptitude
Solve both equations and mark the relationship. I. x^2 + 22x + 117 = 0 II. y^2 + 23y + 132 = 0
- a)x > y
- b)x >= y
- c)x < y
- d)x <= y
- e)x = y or relationship cannot be established
- Q9.Quantitative Aptitude
Solve both equations and mark the relationship. I. 2x^2 - 3x - 20 = 0 II. 2y^2 + 11y + 15 = 0
- a)x > y
- b)x >= y
- c)x < y
- d)x <= y
- e)x = y or relationship cannot be established
- Q10.Quantitative Aptitude
Solve both equations and mark the relationship. I. x^2 - 12x + 32 = 0 II. y^2 - 20y + 96 = 0
- a)x > y
- b)x >= y
- c)x < y
- d)x <= y
- e)x = y or relationship cannot be established
- Q11.Quantitative Aptitude
A boat travels in upstream. If the speed of boat in upstream is decreased by 40% then it is equal to the speed of current, and speed of boat in still water is 240 km/hr. Then find upstream speed of boat (in km/hr).
- a)120
- b)180
- c)150
- d)210
- e)125
- Q12.Quantitative Aptitude
A man invested Rs. X and Rs. 2X at 15% simple interest and at 8% compound interest (compounded annually) for two years respectively. Difference between simple interest and compound interest received after two years is Rs. 820. Find the value of X.
- a)Rs.25000
- b)Rs.30600
- c)Rs.28600
- d)Rs.22200
- e)Rs.26200
- Q13.Quantitative Aptitude
Length of train A is 400 metres and length of train B is 'x' metres more than train A. If speed of both trains A & B is equal and they cross a pole in 16 sec and 24 secs respectively, then in what time train B will cross a 400 m long platform.
- a)32 sec
- b)40 sec
- c)45 sec
- d)54 sec
- e)24 sec
- Q14.Quantitative Aptitude
A is 40% less efficient than B who can do the same work in 20% less time than C. If A and B together can complete 80% of work in 12 days, then in how many days can 60% of work be completed by B and C together.
- a)2 days
- b)4 days
- c)6 days
- d)8 days
- e)10 days
- Q15.Quantitative Aptitude
Perimeter of rectangle is equal to the perimeter of a square whose area is 400 cm^2, and length of rectangle is 40% more than the side of the square. Find the area of the rectangle.
- a)248 cm^2
- b)420 cm^2
- c)356 cm^2
- d)336 cm^2
- e)348 cm^2
- Q16.Quantitative Aptitude
Cost price of a jeans is 32.5% more than cost price of a shirt. Cost price of jeans is increased by 30% and it is sold for Rs. 4134 at a profit of 25%. If the shirt is marked up 15% above cost price, then find the marked price of shirt (in Rs.).
- a)2200
- b)2208
- c)2280
- d)2820
- e)2082
- Q17.Quantitative Aptitude
In the first mixture, quantity of milk was 6 litres more than that of water. After adding 40 litres of a second mixture (water to milk 3:5) to the first mixture, the ratio of water to milk in the final mixture becomes 9:13. Find the total quantity of water in the final mixture.
- a)27 ltr
- b)31.5 ltr
- c)36 ltr
- d)45 ltr
- e)None of these
- Q18.Quantitative Aptitude
A and B started a business with capital of Rs. 8000 and Rs. 10,000 respectively. A left after 5 months while B continued. A gets 20% of total profit for managing the business and the remaining is distributed in ratio of their capital-time. If after a year A gets total profit of Rs. 2500, find the total profit earned by A and B together.
- a)10,000
- b)8,500
- c)7,500
- d)6,250
- e)5,750
- Q19.Quantitative Aptitude
The salary of a man is Rs. 50000 per month, from which he spends 20% on rent, 10% of remaining on bills, 20% of further remaining on miscellaneous expenses. From the remaining amount, he gives some money to his wife and invests the rest in mutual funds in the ratio 5:4. Find how much less or more the amount spent on rent is than the amount invested in mutual funds.
- a)2800 Rs.
- b)2400 Rs.
- c)2600 Rs.
- d)3200 Rs.
- e)3000 Rs.
- Q20.Quantitative Aptitude
A bag has seven red, four white and three green balls while another bag has five red, six yellow and three blue balls. A bag is selected at random and a ball drawn out of it. Find the probability that the ball drawn is red.
- a)1/7
- b)3/7
- c)2/7
- d)1
- e)6/7
- Q21.Quantitative Aptitude
Table shows total male visitors to a park on four days and percentage of female visitors. [Sunday: males 120, female 76%; Monday: males 280, female 30%; Tuesday: males 500, female 37.5%; Wednesday: males 420, female 40%]. Total female visitors on Sunday & Monday together is how much more or less than total female visitors on Tuesday & Wednesday together.
- a)160
- b)140
- c)120
- d)100
- e)80
- Q22.Quantitative Aptitude
[Refer to the visitors table in Q51] Total visitors on Wednesday are what percent more than total number of visitors on Sunday?
- a)60%
- b)20%
- c)40%
- d)80%
- e)50%
- Q23.Quantitative Aptitude
[Refer to the visitors table in Q51] Total male visitors on Friday are 25% more than total male visitors on Monday, while total female visitors on Friday are 40% more than total number of visitors on Tuesday. Find total visitors on Friday.
- a)1470
- b)1050
- c)1620
- d)1200
- e)1170
- Q24.Quantitative Aptitude
[Refer to the visitors table in Q51] Total number of visitors on Wednesday is how much more than total number of female visitors on Sunday and Monday together?
- a)300
- b)200
- c)250
- d)350
- e)150
- Q25.Quantitative Aptitude
[Refer to the visitors table in Q51] If there is one guide per five visitors on each day, then find total number of guides required for all visitors on these four days.
- a)240
- b)480
- c)220
- d)440
- e)460
- Q26.Quantitative Aptitude
Find the wrong number in the series: 5, 18, 34, 54, 79, 110, 158
- a)34
- b)5
- c)18
- d)54
- e)158
- Q27.Quantitative Aptitude
Find the wrong number in the series: 112, 128, 108, 132, 104, 134, 100
- a)112
- b)128
- c)134
- d)108
- e)100
- Q28.Quantitative Aptitude
Find the wrong number in the series: 5, 6, 14, 45, 184, 920, 5556
- a)5
- b)6
- c)14
- d)920
- e)45
- Q29.Quantitative Aptitude
Find the wrong number in the series: 10, 22, 35, 50, 68, 92, 117
- a)92
- b)117
- c)10
- d)22
- e)35
- Q30.Quantitative Aptitude
Find the wrong number in the series: 64, 34, 36, 56, 114, 287, 860
- a)114
- b)860
- c)64
- d)36
- e)56
- Q31.Quantitative Aptitude
There are 450 students in a school with two sections A & B, each with three streams Art, Science & Commerce. 75/4 % of total students in A are in Commerce and 200/7 % of total students in B are in Science. Sum of Commerce students in A and Science students in B is 105. 400/21 % of total students in B are in Commerce and 50% of total students in A are in Art. Total students in Art in A is what percent more than total students in Science in B?
- a)75%
- b)70%
- c)90%
- d)100%
- e)110%
- Q32.Quantitative Aptitude
[Refer to the students data in Q61] Find the ratio of total students in Commerce in B to total students in Science in A.
- a)8 : 15
- b)8 : 17
- c)8 : 13
- d)8 : 11
- e)8 : 9
- Q33.Quantitative Aptitude
[Refer to the students data in Q61] If in another section C, total students are 180 and total students in Science in C are 25% more than total students in Commerce in B, then find how much less total students in Art & Commerce in C is than total students in Art & Commerce in A.
- a)55
- b)60
- c)65
- d)45
- e)35
- Q34.Quantitative Aptitude
[Refer to the students data in Q61] Find the average number of students in Science in A & B.
- a)125/2
- b)135/2
- c)120
- d)130
- e)145
- Q35.Quantitative Aptitude
[Refer to the students data in Q61] If out of total students in Art in A & B, the ratio of boys to girls is 5:3 and 7:4 respectively, then find total boys in Art from both sections.
- a)125
- b)135
- c)145
- d)115
- e)105
- Q36.Arithmetic
The average of 2 numbers is 20. If another number is added to them, the average becomes 19. Find the number added.
- a)15
- b)16
- c)17
- d)19
- e)13
- Q37.Arithmetic
The ratio between the speeds of two trains is 4 : 5. If the second train runs 500 km in 5 hours, what is the speed of the first train?
- a)80 km/hr
- b)90 km/hr
- c)120 km/hr
- d)140 km/hr
- e)150 km/hr
- Q38.Arithmetic
If a boat goes 80 km downstream in 4 hours and 20 km upstream in 2 hours, then the speed of the boat (in km/hr) in still water is:
- a)10
- b)5
- c)25
- d)15
- e)20
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