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 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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Question 1 of 20
1. Question
Two trains cross each other. The length of each train is 250 meter. When they cross each other in same direction they take 25 second while in opposite direction they cross each in 5 seconds. Then find the speed of the two trains?
Correct
Answer a
Let the speed of two trains be X and Y
Same direction,
25= (250+250)/(X – Y)
25X – 25Y = 500
X – Y = 20…… (i)
Opposite direction
5= (250+250)/(X + Y)
5X + 5Y = 500
X + Y = 100 …… (ii)
By solving we get,
Y= 40kmph, X= 60kmph
Incorrect
Answer a
Let the speed of two trains be X and Y
Same direction,
25= (250+250)/(X – Y)
25X – 25Y = 500
X – Y = 20…… (i)
Opposite direction
5= (250+250)/(X + Y)
5X + 5Y = 500
X + Y = 100 …… (ii)
By solving we get,
Y= 40kmph, X= 60kmph
Question 2 of 20
2. Question
The perimeter of the rectangular field is 3 times the perimeter of square field. If the side of the square field is 15 m and the breadth of the rectangular field is 35 m, then find the area of the rectangular field?
Correct
Answer d
Side of square (a) = 15 m
Perimeter of rectangle = 3*4a = 3*4*15 = 180
= > 2(l + 35) = 180
= > l + 35 = 90
= > l = 90 – 35 = 55 m
Area of rectangle = lb = 55*35 = 1925 Sq. m
Incorrect
Answer d
Side of square (a) = 15 m
Perimeter of rectangle = 3*4a = 3*4*15 = 180
= > 2(l + 35) = 180
= > l + 35 = 90
= > l = 90 – 35 = 55 m
Area of rectangle = lb = 55*35 = 1925 Sq. m
Question 3 of 20
3. Question
The simple interest on certain sum for 12 years is 16/25 of the sum. Find the rate of interest?
Correct
Answer a
S.I = P*n*r/100
(16/25)*P = P*12*r/100
Rate of interest(r) = (16/25)*(100/12)
R = 16/3 = 5 1/3 %
Incorrect
Answer a
S.I = P*n*r/100
(16/25)*P = P*12*r/100
Rate of interest(r) = (16/25)*(100/12)
R = 16/3 = 5 1/3 %
Question 4 of 20
4. Question
The average age of two persons is 46 years. 16 years back the ratio between their ages were 1 : 2, then what is the difference between present ages of these two persons?
Correct
Answer c
Let the present age of these two persons are ‘x’ & ‘y’
(x + y)/2 = 46
x + y = 92 –à (1)
(x – 16)/(y – 16) = 1/2
2x – 32 = y – 16
2x – y = 16–à (2)
By solving the equation (1) and (2), we get,
x = 36 years and y = 56 years
Difference = 56 – 36 = 20 years
Incorrect
Answer c
Let the present age of these two persons are ‘x’ & ‘y’
(x + y)/2 = 46
x + y = 92 –à (1)
(x – 16)/(y – 16) = 1/2
2x – 32 = y – 16
2x – y = 16–à (2)
By solving the equation (1) and (2), we get,
x = 36 years and y = 56 years
Difference = 56 – 36 = 20 years
Question 5 of 20
5. Question
In what ratio water is mixed with milk to earn a profit of 25 % by selling the mixture at cost price?
Correct
Answer b
Let the cost price be Rs. 1
Selling price of mixture = Rs. 1
Cost price of mixture = 1*100/125 = 4/5
Incorrect
Answer b
Let the cost price be Rs. 1
Selling price of mixture = Rs. 1
Cost price of mixture = 1*100/125 = 4/5
Question 6 of 20
6. Question
What approximate value should come in place of question mark (?) in the following questions?
56 % of 489.5 + 29 % of 305.8 = (4.97) × ?
Correct
Answer c
(56/100)*490 + (29/100)*305 = 5x
(56*5) + (29*3) = 5x
280 + 87 = 5x
5x = 367
X = 367/5 = 73.4
X = 73
Incorrect
Answer c
(56/100)*490 + (29/100)*305 = 5x
(56*5) + (29*3) = 5x
280 + 87 = 5x
5x = 367
X = 367/5 = 73.4
X = 73
Question 7 of 20
7. Question
What approximate value should come in place of question mark (?) in the following questions?
(499 × 11.98) ÷ √(401.97) + (3.87)^{2} = ?
Correct
Answer a
(500*12/20) + 4^{2} = x
X = 300 + 16
X = 316
Incorrect
Answer a
(500*12/20) + 4^{2} = x
X = 300 + 16
X = 316
Question 8 of 20
8. Question
What approximate value should come in place of question mark (?) in the following questions?
3 7/9 of (9873 – 3395) + 462.75 =? + 2799.67
Correct
Answer d
(34/9)*6478 + 463 – 2800 = x
X = (34*720) + 463 – 2800
X = 24480 + 463 – 2800
X = 22143
Incorrect
Answer d
(34/9)*6478 + 463 – 2800 = x
X = (34*720) + 463 – 2800
X = 24480 + 463 – 2800
X = 22143
Question 9 of 20
9. Question
What approximate value should come in place of question mark (?) in the following questions?
√x + 28.79 = (3497.81 + 45.01) ÷ 99.98
Correct
Answer a
√x + 29 = (3498 + 45)/100
√x + 29 = 3543/100
√x = 35 – 29= 6
X = 6^{2} = 36
Incorrect
Answer a
√x + 29 = (3498 + 45)/100
√x + 29 = 3543/100
√x = 35 – 29= 6
X = 6^{2} = 36
Question 10 of 20
10. Question
What approximate value should come in place of question mark (?) in the following questions?
∛2196 ÷ 1.3 + √903 ÷ ∛350 =?
Correct
Answer d
∛2197 ÷ 1.3 + √900 ÷ ∛343 = x
X = (13/1.3) + (30/7)
X = 10 + 4
X = 14
Incorrect
Answer d
∛2197 ÷ 1.3 + √900 ÷ ∛343 = x
X = (13/1.3) + (30/7)
X = 10 + 4
X = 14
Question 11 of 20
11. Question
What value should come in place of question mark (?) in the following number series?
88, 93, 118, 243, ?
Correct
Answer c
The pattern is, +5, +5^{2}, +5^{3}, +5^{4},..
The answer is, 868
Incorrect
Answer c
The pattern is, +5, +5^{2}, +5^{3}, +5^{4},..
The answer is, 868
Question 12 of 20
12. Question
What value should come in place of question mark (?) in the following number series?
22, 43, 126, 499, ?
Correct
Answer a
The pattern is, *2 – 1, *3 – 3, *4 – 5, *5 – 7,..
The answer is, 2488
Incorrect
Answer a
The pattern is, *2 – 1, *3 – 3, *4 – 5, *5 – 7,..
The answer is, 2488
Question 13 of 20
13. Question
What value should come in place of question mark (?) in the following number series?
32, 36, 88, 300, ?
Correct
Answer d
The pattern is, *1 + 2^{2}, *2 + 4^{2}, *3 + 6^{2}, *4 +8^{2},..
The answer is, 1264
Incorrect
Answer d
The pattern is, *1 + 2^{2}, *2 + 4^{2}, *3 + 6^{2}, *4 +8^{2},..
The answer is, 1264
Question 14 of 20
14. Question
What value should come in place of question mark (?) in the following number series?
150, 220, 320, 456, 634, ?
Correct
Answer b
The difference of difference is, 30, 36, 42, 48,..
The answer is, 860
Incorrect
Answer b
The difference of difference is, 30, 36, 42, 48,..
The answer is, 860
Question 15 of 20
15. Question
What value should come in place of question mark (?) in the following number series?
378, 862, 1438, 2114, ?
Correct
Answer c
The pattern is, +22^{2}, +24^{2}, +26^{2}, +28^{2},..
The answer is, 2898
Incorrect
Answer c
The pattern is, +22^{2}, +24^{2}, +26^{2}, +28^{2},..
The answer is, 2898
Question 16 of 20
16. Question
Study the following information carefully and answer the given questions.
Total no of assistant professors in University A is what percentage of total no of professors in University B?
Correct
Answer a
Total no of assistant professors in University A
= > 225*(40/100) = 90
Total no of professors in University B
= > 180 – (55 % of 180 + 45)
= > 180 – (99 + 45) = 36
Required % = (90/36)*100 = 250 %
Incorrect
Answer a
Total no of assistant professors in University A
= > 225*(40/100) = 90
Total no of professors in University B
= > 180 – (55 % of 180 + 45)
= > 180 – (99 + 45) = 36
Required % = (90/36)*100 = 250 %
Question 17 of 20
17. Question
Study the following information carefully and answer the given questions.
Find the ratio between the total no of professors in university C to that of total no of associate professors in university B and D together?
Correct
Answer c
Total no of professors in university C
= > 340 – (65 % of 340 + 90)
= > 340 – (221 + 90) = 29
Total no of associate professors in university B and D together
= > 45 + 80 = 125
Required ratio = 29: 125
Incorrect
Answer c
Total no of professors in university C
= > 340 – (65 % of 340 + 90)
= > 340 – (221 + 90) = 29
Total no of associate professors in university B and D together
= > 45 + 80 = 125
Required ratio = 29: 125
Question 18 of 20
18. Question
Study the following information carefully and answer the given questions.
Find the total no of assistant professors in all the universities?
Correct
Answer b
Total no of assistant professors in all universities
Study the following information carefully and answer the given questions.
Total no of faculty members in university A and D together is approximately what percentage more/less than the total no of faculty members in university B and C together?
Study the following information carefully and answer the given questions.
In which university has highest no of professors?
Correct
Answer d
Total no of professors in University A
= > 225 – (40 % of 225 + 75)
= > 225 – (90 + 75) = 60
Total no of professors in University B
= > 180 – (55 % of 180 + 45)
= > 180 – (99 + 45) = 36
Total no of professors in university C
= > 340 – (65 % of 340 + 90)
= > 340 – (221 + 90) = 29
Total no of professors in University D
= > 250 – (32 % of 250 + 80)
= > 250 – (80 + 80) = 90
University D has highest no of professors.
Incorrect
Answer d
Total no of professors in University A
= > 225 – (40 % of 225 + 75)
= > 225 – (90 + 75) = 60
Total no of professors in University B
= > 180 – (55 % of 180 + 45)
= > 180 – (99 + 45) = 36
Total no of professors in university C
= > 340 – (65 % of 340 + 90)
= > 340 – (221 + 90) = 29
Total no of professors in University D
= > 250 – (32 % of 250 + 80)
= > 250 – (80 + 80) = 90
University D has highest no of professors.
Click “Start Quiz” to attend these Questions and view Explanation
Two trains cross each other. The length of each train is 250 meter. When they cross each other in same direction they take 25 second while in opposite direction they cross each in 5 seconds. Then find the speed of the two trains?
60 km/hr, 40 km/hr
25 km/hr, 10 km/hr
12 km/hr, 8 km/hr
20 km/hr, 10 km/hr
None of these
The perimeter of the rectangular field is 3 times the perimeter of square field. If the side of the square field is 15 m and the breadth of the rectangular field is 35 m, then find the area of the rectangular field?
1854 Sq. m
1624 Sq. m
2586 Sq. m
1925 Sq. m
None of these
The simple interest on certain sum for 12 years is 16/25 of the sum. Find the rate of interest?
5 1/3 %
4 2/5 %
6 %
7 ¼ %
None of these
The average age of two persons is 46 years. 16 years back the ratio between their ages were 1 : 2, then what is the difference between present ages of these two persons?
18 years
24 years
20 years
16 years
None of these
In what ratio water is mixed with milk to earn a profit of 25 % by selling the mixture at cost price?
5 : 2
4 : 1
7 : 2
3 : 2
None of these
Directions (Q. 6 – 10): What approximate value should come in place of question mark (?) in the following questions?
56 % of 489.5 + 29 % of 305.8 = (4.97) × ?
85
67
73
54
91
(499 × 11.98) ÷ √(401.97) + (3.87)^{2} = ?
320
410
280
560
630
3 7/9 of (9873 – 3395) + 462.75 =? + 2799.67
17850
19525
18240
22145
21830
√x + 28.79 = (3497.81 + 45.01) ÷ 99.98
36
49
64
25
81
∛2196 ÷ 1.3 + √903 ÷ ∛350 =?
22
17
28
14
32
Directions (Q. 11 – 15): What value should come in place of question mark (?) in the following number series?
88, 93, 118, 243, ?
452
584
868
716
675
22, 43, 126, 499, ?
2488
1856
1654
1422
2246
32, 36, 88, 300, ?
915
862
1048
1264
1227
150, 220, 320, 456, 634, ?
756
860
912
1008
698
378, 862, 1438, 2114, ?
2654
2472
2898
3116
2334
Directions (Q. 16 – 20) Study the following information carefully and answer the given questions.
University
Total no of faculty members
% of Assistant professors
Total no of Associate professors
A
225
40 %
75
B
180
55 %
45
C
340
65 %
90
D
250
32 %
80
Note: The faculty members include total no of assistant professors, total no of associate Professors and total no of professors.
Total no of assistant professors in University A is what percentage of total no of professors in University B?
250 %
178 %
164 %
200 %
None of these
Find the ratio between the total no of professors in university C to that of total no of associate professors in university B and D together?
36 : 115
58 : 131
29 : 125
43 : 189
None of these
Find the total no of assistant professors in all the universities?
370
490
520
610
None of these
Total no of faculty members in university A and D together is approximately what percentage more/less than the total no of faculty members in university B and C together?
12 %
20 %
9 %
24 %
None of these
In which university has highest no of professors?
University A
University B
University C
University D
University A and D
Answers:
Answer a
Let the speed of two trains be X and Y
Same direction,
25= (250+250)/(X – Y)
25X – 25Y = 500
X – Y = 20…… (i)
Opposite direction
5= (250+250)/(X + Y)
5X + 5Y = 500
X + Y = 100 …… (ii)
By solving we get,
Y= 40kmph, X= 60kmph
Answer d
Side of square (a) = 15 m
Perimeter of rectangle = 3*4a = 3*4*15 = 180
= > 2(l + 35) = 180
= > l + 35 = 90
= > l = 90 – 35 = 55 m
Area of rectangle = lb = 55*35 = 1925 Sq. m
Answer a
S.I = P*n*r/100
(16/25)*P = P*12*r/100
Rate of interest(r) = (16/25)*(100/12)
R = 16/3 = 5 1/3 %
Answer c
Let the present age of these two persons are ‘x’ & ‘y’
(x + y)/2 = 46
x + y = 92 –à (1)
(x – 16)/(y – 16) = 1/2
2x – 32 = y – 16
2x – y = 16–à (2)
By solving the equation (1) and (2), we get,
x = 36 years and y = 56 years
Difference = 56 – 36 = 20 years
Answer b
Let the cost price be Rs. 1
Selling price of mixture = Rs. 1
Cost price of mixture = 1*100/125 = 4/5
Directions (Q. 6 – 10):
Answer c
(56/100)*490 + (29/100)*305 = 5x
(56*5) + (29*3) = 5x
280 + 87 = 5x
5x = 367
X = 367/5 = 73.4
X = 73
Answer a
(500*12/20) + 4^{2} = x
X = 300 + 16
X = 316
Answer d
(34/9)*6478 + 463 – 2800 = x
X = (34*720) + 463 – 2800
X = 24480 + 463 – 2800
X = 22143
Answer a
√x + 29 = (3498 + 45)/100
√x + 29 = 3543/100
√x = 35 – 29= 6
X = 6^{2} = 36
Answer d
∛2197 ÷ 1.3 + √900 ÷ ∛343 = x
X = (13/1.3) + (30/7)
X = 10 + 4
X = 14
Directions (Q. 11 – 15):
Answer c
The pattern is, +5, +5^{2}, +5^{3}, +5^{4},..
The answer is, 868
Answer a
The pattern is, *2 – 1, *3 – 3, *4 – 5, *5 – 7,..
The answer is, 2488
Answer d
The pattern is, *1 + 2^{2}, *2 + 4^{2}, *3 + 6^{2}, *4 +8^{2},..
The answer is, 1264
Answer b
The difference of difference is, 30, 36, 42, 48,..
The answer is, 860
Answer c
The pattern is, +22^{2}, +24^{2}, +26^{2}, +28^{2},..
The answer is, 2898
Directions (Q. 16 – 20)
Answer a
Total no of assistant professors in University A
= > 225*(40/100) = 90
Total no of professors in University B
= > 180 – (55 % of 180 + 45)
= > 180 – (99 + 45) = 36
Required % = (90/36)*100 = 250 %
Answer c
Total no of professors in university C
= > 340 – (65 % of 340 + 90)
= > 340 – (221 + 90) = 29
Total no of associate professors in university B and D together
= > 45 + 80 = 125
Required ratio = 29: 125
Answer b
Total no of assistant professors in all universities