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 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 questions?
(8/5) of 404 + 98% of 820 + (5/4) ÷ (9/63) =?
Correct
Answer a
(8/5) × 404 + (98/100) × 820 + (5/4) ÷ (9/63) =x
X= 646.4 + 803.6 + 8.75
X= 1458.75
Incorrect
Answer a
(8/5) × 404 + (98/100) × 820 + (5/4) ÷ (9/63) =x
X= 646.4 + 803.6 + 8.75
X= 1458.75
Question 2 of 20
2. Question
Directions (Q. 1-5): What will come in place of question mark (?) in the following questions?
0.8% of 3072 + 12% of 785 =?
Correct
Answer c
0.8% of 3072 + 12% of 785 =x
X= (8/1000) × 3072 + (12/100) × 785
X= 24.576 + 94.2
X= 118.776
Incorrect
Answer c
0.8% of 3072 + 12% of 785 =x
X= (8/1000) × 3072 + (12/100) × 785
X= 24.576 + 94.2
X= 118.776
Question 3 of 20
3. Question
Directions (Q. 1-5): What will come in place of question mark (?) in the following questions?
2162 ÷ 46 × 23 + 287 -189 =?
Correct
Answer d
2162 ÷ 46 × 23 + 287 -189 =x
X= 1081 +287 -189
X= 1179
Incorrect
Answer d
2162 ÷ 46 × 23 + 287 -189 =x
X= 1081 +287 -189
X= 1179
Question 4 of 20
4. Question
Directions (Q. 1-5): What will come in place of question mark (?) in the following questions?
? % of (400 + (16 ÷ 0.2) ÷ 0.05) =1700
Correct
Answer a
x % of (400 + 16 ÷ 0.2 ÷ 0.05) =1700
(x/100) × (400 + ((160/2) × (100/5)) =1700
(x/100) × (400 + 1600) =1700
(x/100) × 2000 = 1700
20x = 1700
X= 85
Incorrect
Answer a
x % of (400 + 16 ÷ 0.2 ÷ 0.05) =1700
(x/100) × (400 + ((160/2) × (100/5)) =1700
(x/100) × (400 + 1600) =1700
(x/100) × 2000 = 1700
20x = 1700
X= 85
Question 5 of 20
5. Question
Directions (Q. 1-5): What will come in place of question mark (?) in the following questions?
8195 ÷ 745 + ?/12 =7847
Correct
Answer b
8195/745 + x/12 =7847
11 + x/12 =7847
x/12 = 7836
x= 94032
Incorrect
Answer b
8195/745 + x/12 =7847
11 + x/12 =7847
x/12 = 7836
x= 94032
Question 6 of 20
6. Question
Directions (Q. 6-10): What should come in place of question mark (?) in the following number series:
936, 156, 31.2, ? , 2.6, 1.3
Correct
Answer a
The pattern is, ÷ 6, ÷ 5, ÷ 4, ÷ 3, ÷ 2
The answer is, 7.8
Incorrect
Answer a
The pattern is, ÷ 6, ÷ 5, ÷ 4, ÷ 3, ÷ 2
The answer is, 7.8
Question 7 of 20
7. Question
Directions (Q. 6-10): What should come in place of question mark (?) in the following number series:
9, 5, 6, 10.5, 23, ?
Correct
Answer b
The pattern is, *0.5 + 0.5, *1 +1, *1.5 +1.5, *2 +2, *2.5 +2.5
The answer is, 60
Incorrect
Answer b
The pattern is, *0.5 + 0.5, *1 +1, *1.5 +1.5, *2 +2, *2.5 +2.5
The answer is, 60
Question 8 of 20
8. Question
Directions (Q. 6-10): What should come in place of question mark (?) in the following number series:
7, 20, 46, 98, 202, ?
Correct
Answer c
The pattern is, +(13*1), +(13*2), +(13*4), +(13*8), +(13*16)
The answer is, 410
Incorrect
Answer c
The pattern is, +(13*1), +(13*2), +(13*4), +(13*8), +(13*16)
The answer is, 410
Question 9 of 20
9. Question
Directions (Q. 6-10): What should come in place of question mark (?) in the following number series:
10, 11, 26, 87, ? , 1845
Correct
Answer d
The pattern is, *1+1^{2}, *2+2^{2}, *3+3^{2}, *4+4^{2}, *5+5^{2}
The answer is, 364
Incorrect
Answer d
The pattern is, *1+1^{2}, *2+2^{2}, *3+3^{2}, *4+4^{2}, *5+5^{2}
The answer is, 364
Question 10 of 20
10. Question
Directions (Q. 6-10): What should come in place of question mark (?) in the following number series:
16, 121, 841, 5041, ?
Correct
Answer a
The pattern is, *8 – 7, *7 -6, *6 -5, *5 -4,..
The answer is, 25201
Incorrect
Answer a
The pattern is, *8 – 7, *7 -6, *6 -5, *5 -4,..
The answer is, 25201
Question 11 of 20
11. Question
The average monthly income of a family of 6 members was 21600. One of the daughters in the family got married and left home, so the average monthly income of family comes down to 18200. What is the monthly income of married daughter?
Correct
Answer b
The average monthly income of a family of 6 members was 21600,
Total monthly income of a family of 6 members= 21600*6= 129600
One of the daughters got married and left the home, now the average = 18200
Total monthly income of a family of 5 members = 18200*5 = 91000
Monthly income of married daughter= 129600 – 91000 = 38600
Incorrect
Answer b
The average monthly income of a family of 6 members was 21600,
Total monthly income of a family of 6 members= 21600*6= 129600
One of the daughters got married and left the home, now the average = 18200
Total monthly income of a family of 5 members = 18200*5 = 91000
Monthly income of married daughter= 129600 – 91000 = 38600
Question 12 of 20
12. Question
5 years ago, the ratio of ages of Abi and Pari was 5:3. Neela is 5 years younger than Abi and 5 years older than Pari. What is Neela’s present age?
Correct
Answer c
5 years ago, the ratio of ages of Abi and Pari = 5:3 (let us assume the age of abi and pari = 5x, 3x)
Neela = Abi – 5
Neela = Pari + 5
Abi – 5 = Pari + 5
(5x + 5) – 5 = (3x + 5) + 5
2x= 10=> x= 5
Abi= 25+5 = 30, Pari= 15+5 =20
Neela’s Present age= Abi – 5= 25 years
Incorrect
Answer c
5 years ago, the ratio of ages of Abi and Pari = 5:3 (let us assume the age of abi and pari = 5x, 3x)
Neela = Abi – 5
Neela = Pari + 5
Abi – 5 = Pari + 5
(5x + 5) – 5 = (3x + 5) + 5
2x= 10=> x= 5
Abi= 25+5 = 30, Pari= 15+5 =20
Neela’s Present age= Abi – 5= 25 years
Question 13 of 20
13. Question
The difference between the S.I and C.I on a certain sum at 5% per annum for 2 years is RS. 105. Find the sum?
Correct
Answer d
The difference between the S.I and C.I for 2 years,
Diff= sum*(r/100)^{2}
105 = sum*(5/100)^{2}
Sum= 42000
Incorrect
Answer d
The difference between the S.I and C.I for 2 years,
Diff= sum*(r/100)^{2}
105 = sum*(5/100)^{2}
Sum= 42000
Question 14 of 20
14. Question
Two trains 155m and 175 m long respectively are running in the same direction at the speed of 81 km/hr and 45 km/hr respectively. In how much time will the first train take to cross the second one?
Correct
Answer d
Both the trains are running at the same direction,
So, relative speed= S1 – S2
Distance= Train length1+ Train length2
The first train takes to cross the second one in,
T = D/S
T= (155+175)/((81 – 45)*(5/18))
T= 330/(36*(5/18))
T= 330/10 = 33 sec
Incorrect
Answer d
Both the trains are running at the same direction,
So, relative speed= S1 – S2
Distance= Train length1+ Train length2
The first train takes to cross the second one in,
T = D/S
T= (155+175)/((81 – 45)*(5/18))
T= 330/(36*(5/18))
T= 330/10 = 33 sec
Question 15 of 20
15. Question
A boat can cover 9.6 km upstream in 24 minutes. If the speed of the current is ¼ of the boat in still water, then how much distance can the boat cover downstream in 36 minutes?
Correct
Answer a
The speed of upstream= D/T = 9.6/(24/60) = 24 km/hr
The speed of the current = ¼ of the boat in still water
Speed of boat : Speed of Current = 4:1 = (x: 4x)
Speed of Upstream = Speed of boat – Speed of Current = 3x
24 = 3x
X= 8
Speed of boat = 32 km/hr, Speed of Current = 8 km/hr
Speed of downstream= Speed of boat + Speed of Current = 5x
Speed of downstream = 40 km/hr
Time = 36 min= (36/60) hr
Distance= S*T = 40*(36/60) = 24 km
Incorrect
Answer a
The speed of upstream= D/T = 9.6/(24/60) = 24 km/hr
The speed of the current = ¼ of the boat in still water
Speed of boat : Speed of Current = 4:1 = (x: 4x)
Speed of Upstream = Speed of boat – Speed of Current = 3x
24 = 3x
X= 8
Speed of boat = 32 km/hr, Speed of Current = 8 km/hr
Speed of downstream= Speed of boat + Speed of Current = 5x
Speed of downstream = 40 km/hr
Time = 36 min= (36/60) hr
Distance= S*T = 40*(36/60) = 24 km
Question 16 of 20
16. Question
Directions (Q. 16 – 20): Study the following charts and answer the following questions
Cost of total production (both products together) by seven factories = 25 Crore
Ratio of production between product X and Y and the percent profit earned by the two product
Cost of production of product X by factory F is what percent of the cost of production of product Y by factory D?
Correct
Answer e
For factory F = 25*5/100*1/5 and for factory D = 25*(8/100)*(5/8)
Directions (Q. 1-5): What will come in place of question mark (?) in the following questions?
(8/5) of 404 + 98% of 820 + (5/4) ÷ (9/63) =?
1458.75
1326.50
1234.25
1678.50
None of these
0.8% of 3072 + 12% of 785 =?
128.546
132.668
118.776
146.782
None of these
2162 ÷ 46 × 23 + 287 -189 =?
1239
1568
1743
1179
None of these
? % of (400 + (16 ÷ 0.2) ÷ 0.05) =1700
85
78
92
68
None of these
8195 ÷ 745 + ?/12 =7847
78045
94032
86512
56056
None of these
Directions (Q. 6-10): What should come in place of question mark (?) in the following number series:
936, 156, 31.2, ? , 2.6, 1.3
7.8
15.6
8.6
7.2
None of these
9, 5, 6, 10.5, 23, ?
78
60
88
120
None of these
7, 20, 46, 98, 202, ?
350
560
410
670
None of these
10, 11, 26, 87, ? , 1845
638
568
734
364
None of these
16, 121, 841, 5041, ?
25201
32407
15607
38301
None of these
The average monthly income of a family of 6 members was 21600. One of the daughters in the family got married and left home, so the average monthly income of family comes down to 18200. What is the monthly income of married daughter?
23400
38600
12900
28900
None of these
5 years ago, the ratio of ages of Abi and Pari was 5:3. Neela is 5 years younger than Abi and 5 years older than Pari. What is Neela’s present age?
20 years
22 years
25 years
30 years
28 years
The difference between the S.I and C.I on a certain sum at 5% per annum for 2 years is RS. 105. Find the sum?
36000
28000
46000
42000
None of these
Two trains 155m and 175 m long respectively are running in the same direction at the speed of 81 km/hr and 45 km/hr respectively. In how much time will the first train take to cross the second one?
16 sec
27 sec
42 sec
33 sec
None of these
A boat can cover 9.6 km upstream in 24 minutes. If the speed of the current is ¼ of the boat in still water, then how much distance can the boat cover downstream in 36 minutes?
24 km
36 km
28 km
42 km
None of these
Directions (Q. 16 – 20): Study the following charts and answer the following questions
Cost of total production (both products together) by seven factories = 25 Crore
Ratio of production between product X and Y and the percent profit earned by the two product
Cost of production of product X by factory F is what percent of the cost of production of product Y by factory D?
10%
15%
16.67%
33.33%
None of these
What is the total profit earned by factory G for products X and Y together?
78 lakh
1.62 cr
7.8 lakh
68 lakh
None of these
What is the ratio of the cost of production of product X by factory A to the cost of production of product X by factory D?
1:2
1:3
3:1
2:1
None of these
What is the amount of profit earned by factory D on product Y? (approx.)
21 lakh
28 lakh
31 lakh
35 lakh
None of these
What is the cost of production of product X by factory A, B and D together?
2.90cr
3.90cr
4.10cr
4.40cr
None of these
Answers:
Directions (Q. 1-5):
Answer a
(8/5) × 404 + (98/100) × 820 + (5/4) ÷ (9/63) =x
X= 646.4 + 803.6 + 8.75
X= 1458.75
Answer c
0.8% of 3072 + 12% of 785 =x
X= (8/1000) × 3072 + (12/100) × 785
X= 24.576 + 94.2
X= 118.776
Answer d
2162 ÷ 46 × 23 + 287 -189 =x
X= 1081 +287 -189
X= 1179
Answer a
x % of (400 + 16 ÷ 0.2 ÷ 0.05) =1700
(x/100) × (400 + ((160/2) × (100/5)) =1700
(x/100) × (400 + 1600) =1700
(x/100) × 2000 = 1700
20x = 1700
X= 85
Answer b
8195/745 + x/12 =7847
11 + x/12 =7847
x/12 = 7836
x= 94032
Directions (Q. 6-10):
Answer a
The pattern is, ÷ 6, ÷ 5, ÷ 4, ÷ 3, ÷ 2
The answer is, 7.8
Answer b
The pattern is, *0.5 + 0.5, *1 +1, *1.5 +1.5, *2 +2, *2.5 +2.5
The answer is, 60
Answer c
The pattern is, +(13*1), +(13*2), +(13*4), +(13*8), +(13*16)
The answer is, 410
Answer d
The pattern is, *1+1^{2}, *2+2^{2}, *3+3^{2}, *4+4^{2}, *5+5^{2}
The answer is, 364
Answer a
The pattern is, *8 – 7, *7 -6, *6 -5, *5 -4,..
The answer is, 25201
Answer b
The average monthly income of a family of 6 members was 21600,
Total monthly income of a family of 6 members= 21600*6= 129600
One of the daughters got married and left the home, now the average = 18200
Total monthly income of a family of 5 members = 18200*5 = 91000
Monthly income of married daughter= 129600 – 91000 = 38600
Answer c
5 years ago, the ratio of ages of Abi and Pari = 5:3 (let us assume the age of abi and pari = 5x, 3x)
Neela = Abi – 5
Neela = Pari + 5
Abi – 5 = Pari + 5
(5x + 5) – 5 = (3x + 5) + 5
2x= 10=> x= 5
Abi= 25+5 = 30, Pari= 15+5 =20
Neela’s Present age= Abi – 5= 25 years
Answer d
The difference between the S.I and C.I for 2 years,
Diff= sum*(r/100)^{2}
105 = sum*(5/100)^{2}
Sum= 42000
Answer d
Both the trains are running at the same direction,
So, relative speed= S1 – S2
Distance= Train length1+ Train length2
The first train takes to cross the second one in,
T = D/S
T= (155+175)/((81 – 45)*(5/18))
T= 330/(36*(5/18))
T= 330/10 = 33 sec
Answer a
The speed of upstream= D/T = 9.6/(24/60) = 24 km/hr
The speed of the current = ¼ of the boat in still water
Speed of boat : Speed of Current = 4:1 = (x: 4x)
Speed of Upstream = Speed of boat – Speed of Current = 3x
24 = 3x
X= 8
Speed of boat = 32 km/hr, Speed of Current = 8 km/hr
Speed of downstream= Speed of boat + Speed of Current = 5x
Speed of downstream = 40 km/hr
Time = 36 min= (36/60) hr
Distance= S*T = 40*(36/60) = 24 km
Directions (Q. 16 – 20):
Answer e
For factory F = 25*5/100*1/5 and for factory D = 25*(8/100)*(5/8)