“20-20” Quantitative Aptitude | Crack SBI Clerk 2018 Day-28

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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Topic Daily Publishing Time
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Current Affairs Quiz 9.00 AM
Logical Reasoning 10.00 AM
Quantitative Aptitude “20-20” 11.00 AM
Vocabulary (Based on The Hindu) 12.00 PM
Static GK Quiz 1.00 PM
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Banking Awareness Quiz 3.00 PM
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Daily Current Affairs Updates 5.00 PM
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General / Financial Awareness Quiz 9.00 PM 

“20-20” Aptitude Questions | Crack SBI Clerk 2018 Day-28

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Directions (Q. 1-5) what value should come in the place of (?) in the following questions:

  1. 7072 ÷ (16% of 884) = 30 × 1 1/12 of (? ÷ 39)
  1. 62
  2. 65
  3. 60
  4. 55
  5. 67
  1. 1478.4 ÷ 56 + 66.8 × 57 = (? × 3) + (34 × 34.5)
  1. 772
  2. 887
  3. 863
  4. 925
  5. 825
  1. 689 x 6156 ÷ 18% of 684 =28 x 250 ÷ 8 + ? + 4300
  1. 27295
  2. 29275
  3. 29527
  4. 29725
  5. 27925

4). 39 13/17 – 47 18/34 + 23 11/17 – 2 1/34 = ?

  1. 13 5/34
  2. 11 29/34
  3. 29 13/34
  4. 13 29/34
  5. 13 27/34

5). 44% of 1950 + 82% of 250 + 62% of ? = 7883

  1. 11500
  2. 1110
  3. 10000
  4. 11800
  5. 11000
  1. Bharathi started a business with an initial capital of Rs.1.5 lakh. After a few months, Radha joined his business with a capital of Rs. 1 lakh. The profits at the end of the year were divided among them in the ratio of 3:1. After how many months did Radha join the business?
  1. 3
  2. 4
  3. 5
  4. 6
  5. 7
  1. Meena’s age is three times the sum of the ages of her two children. After four years her age will be twice the sum of the ages of her two children. What is her present age?
  1.   44 years
  2.   36 years
  3.   42 years
  4.   32 years
  5.   40 years
  1. Two pipes can fill a cistern in 14 and 16 hours respectively. The pipes are opened simultaneously and it is found that due to leakage in the bottom, 32 minutes extra are taken for the cistern to be filled up. If the cistern is full, in what time would the leak empty it?
  1.   110 hours
  2.   96 hours
  3.   120 hours
  4.   112 hours
  5.   80 hours
  1. If a manufacturer gains 12%, dealer gains 10% and the retailer gains 20%, then the cost of manufacturing a product if the retailer sells the product for Rs 1921.92?
  1.   Rs 1250
  2.   Rs 1440
  3.   Rs 1350
  4.   Rs 1300
  5.   Rs 1180
  1. The circumference of two circles is 132 metres and 176 metres respectively. What is the difference between the area of the larger circle and the smaller circle?
  1.   1048 sq. metres
  2.   1076 sq. metres
  3.   1078 sq. metres
  4.   1090 sq. metres
  5.   1104 sq. metres

Directions (Q. 11-15): What should come in place of question mark (?) in the following number series:

  1. 17, 9,   15,   40,   143.5,   ?
  1.  505.75
  2.  578.5
  3.  650.25
  4. 578
  5.  678.5
  1. 3, 5,   13,   49,   241,   ?
  1.  1210
  2. 1451
  3.  1221
  4.  1441
  5.  1200
  1. 508, 255,   88,   27,  ?
  1.  18.4
  2.  12.4
  3.  17.5
  4.  15.5
  5.   17.75
  1. 7, 13,   31,   85,   247,   ?
  1. 409
  2. 727
  3. 733
  4. 649
  5. 444
  1. 64, 36,   22,   15,   ?,   9.75
  1. 11
  2. 12
  3. 11.5
  4. 11.75
  5. 10

Directions (Q. 16-20): Study the following table carefully and answer the questions given below it. Number of students from various cities, studying in different institutions

  1. What is the average number of students studying in Institute E taking all the cities together?
  1.   1098
  2.   1078
  3.   925
  4.   915
  5.   898
  1. The number of students studying in institute A in Bangalore is what percentage more than that of students studying in institute D in Kochi?
  1.   71.42%
  2.   70%
  3.   82%
  4.   72.84%
  5.   None of these
  1. What is the respective ratio between the number students studying in Institute D in Hyderabad and Institute A in Goa?
  1.   3:2
  2.   1:2
  3.   2:1
  4.   2:3
  5.   3:4
  1. What is the difference between the total number of students studying in Bangalore and Mumbai taking all the institution together?
  1.   1070
  2.   1080
  3.   1180
  4.   1060
  5.   1170
  1. The number of students studying in institute A in Chennai and Hyderabad together is what percentage less than the number of students studying in institute C in Bangalore and Hyderabad together?
  1.   21%
  2.   19%
  3.   17%
  4.   16%
  5.   15%

Answers:

Directions (Q. 1-5)

  1. Answer c

7072 ÷ (884 × 16/100) = 30 × 13/12 × ?/39

7072 ÷ 141.44 = 5 × ?/6

50 × 6 = 5 × ?

? = 50 × 6/5

= 60

  1. Answer b

1478.4/56 + 66.8 × 57 = ? × 3 + 34 × 34.5

26.4 + 3807.6 = ? × 3 + 1173

3834 – 1173 = ? × 3

? × 3 = 2661

? = 887

  1. Answer b

689 x 6156 ÷ 18% of 684 = 28 x 250 ÷ 8 + ? + 4300

or, 689 x 6156 ÷ 123.12 = 28 × 31.25 + ? + 4300

or, (689x6156x100) / 123.12 = 875 + ? + 4300

= ? + 5175

? = 34450 – 5175 = 29275

4). Answer d

? = 39 13/17 – 47 18/34 + 23 11/17 – 2 1/34

= (39 – 47 + 23 -2) [(13/17) – (18/34) + (11/17) – (1/34)]

= (62 – 49) [(26-18+22-1)/34] = 13 29/34

5). Answer e

44% of 1950 + 82% of 250 + 62% of ? = 7883

Solving by breaking method:

40% of 1950 + 4% of 1950 + (80 + 2)% of 250 + 62% of ? = 7883

or, 780 + 78 + 200 + 5 + 62% of ? = 7883

or, 1063 + 62% of ? = 7883

or, 62% of ? = 7883 – 1063 = 6820

? = (6820/62) x 100 = 11000

 

  1. Answer d

Suppose Radha joined the business after x months.

So Radha’s money was invested for (12 – x) months.

(1.5 lakh * 12)/{1 lakh * (12 – x)} = 3/1

=> 18 = 3(12 – x)

=> 3x = 18

=> x = 6 months

  1. Answer b

Let the present sum of her children’s age be S.

Then Meena’s present age = 3S

Alter 4 years, her age will increase by 4 and the sum of her children’s age increase by 8.

Hence, 3S + 4= 2(S + 8)

3S + 4 = 2S + 16

S = 12

Hence Meena’s present age = 3 x 12 = 36 years

  1. Answer d

If both filling pipes are working together, portion of the cistern filled in an hour

= 1/14 + 1/16 = (8+7)1112 = 15/112

Hence time taken to fill the cistern = 112/15 hours = 7 7/15 hours = 7 hours 28 minutes.

But due to leak it takes 32 min more.

Hence total time taken = 7 hours 28 minutes + 32 min = 8 hours.

Let the leak take n hours to empty the cistern.

So, 1/14 + 1/16 – 1/n = 1/8.

=> 15/112 – 1/n = 1/8

=› 1/n = 15/112 – 1/8 = 1/112

Hence the cistern will be emptied in 112 hours.

  1. Answer d

Let the cost of manufacturing be Rs P

Then selling price = P x 1.12 x 1.1 x 1.2 = 1921.92

=> 1.4784P = 1921.92

=> P = 1300

  1. Answer c

R1 = 132 x 7/(2 x 22) = 21 m

R2 = 176 x 7/(2 x 22) = 28 m

Difference in area = 22/7 x (282 – 212)

= 22/7 x 343 = 1078 sq m

 

Directions (Q. 11-15):

  1. Answer is: c)

The series is ×0.5 + 0.5, ×1.5 + 1.5, ×2.5 + 2.5, ×3.5 + 3.5, ×4.5 + 4.5

  1. Answer is: d)

The series is ×2-1, ×3-2, ×4-3, ×5-4, ×6-5

  1. Answer is: b)

The whole series is /2 + 1, /3 + 3, /4 + 5, /5 + 7…

  1. Answer is: c)

The series is +3 × 2, +3 × 6, +3 × 18, +3 × 54, +3 × 162

  1. Answer is: c)

The whole series is ×0.5 + 4

 

Directions (Q. 16-20):

  1. Answer d

Required average = (950+ 800 + 910 + 920 +1090 +820)/6 = 5490/6 = 915

  1. Answer is: a)

Required percent = 480 -280 / 280 × 100

= 200/280 × 100 = 71.42%

  1. Answer is: d)

Required ratio = 260: 390 = 2: 3

  1. Answer is: b)

Total number students in Bangalore = 2910

Total number of students in Mumbai = 3990

Hence, required difference = 3990 – 2910 = 1080

  1. Answer is: c)

The number of students studying in institute A in Chennai and Hyderabad is, 680 + 980 = 1660

The number of students in institute C in Bangalore and Hyderabad is, 900+1100 = 2000

Required percent = (2000 – 1660)/ 2000 × 100 = 340/ 2000 × 100 = 17%

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