“20-20” Quantitative Aptitude | Crack SBI Clerk Prelims 2018 Day-121

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“20-20” Aptitude Questions | Crack SBI Clerk Prelims 2018 Day-121

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Directions (Q. 1 – 5): What value should come in the place of question mark (?) in the following questions?

  1. [(54 × 45) ÷ 15 – 2730 ÷ 130] = 3 ×?
  1. 58
  2. 47
  3. 82
  4. 65
  5. None of these
  1. 5 ¾ – 4 1/8 + 7 ½ – 3 3/8 =?
  1. 4 3/7
  2. 6 5/6
  3. 7 ½
  4. 5 ¾
  5. None of these
  1. ?2 + 582 = 1122 – 344
  1. 85
  2. 112
  3. 94
  4. 73
  5. None of these
  1. 46656 + (10648) % of 150 = ? – 112
  1. 181
  2. 157
  3. 143
  4. 129
  5. None of these
  1. 363 × 40961/2 × 72 × 18 ÷ (93 × 722) = 4x
  1. 8
  2. 12
  3. 7
  4. 5
  5. None of these

Directions (Q. 6 – 10): What value should come in the place of question mark (?) in the following number series?

  1. 812, 813, 821, 830, 894, 919, ?
  1. 1135
  2. 983
  3. 1057
  4. 1249
  5. 1078
  1. 1132, 1144, 1164, 1194, 1236, 1292, ?
  1. 1342
  2. 1324
  3. 1378
  4. 1364
  5. None of these
  1. 82, 84, 166, 500, 1998,?
  1. 5468
  2. 6176
  3. 9992
  4. 8154
  5. 7246
  1. 152, 228, 342, 513, 769.5, ?
  1. 983.75
  2. 1046.25
  3. 1087.75
  4. 968.25
  5. 1154.25
  1. 178, 177, 346, 1011, 3980, ?
  1. 15628
  2. 19775
  3. 17423
  4. 13526
  5. 11894
  1. The population of a city is 480000. It increases by 8% in the first year and decreased by 9% in the second year. What will be the population of a city after two years?
  1. 457826
  2. 461528
  3. 475682
  4. 471744
  5. 465250
  1. If 35% of a number is equal to three – fourth of another number, then find the ratio of first number to the second number?
  1. 15 : 7
  2. 17 : 9
  3. 13 : 5
  4. 11 : 3
  5. None of these
  1. The sum of 6 consecutive numbers is 465. What is the 60 % of smallest number?
  1. 56
  2. 48
  3. 45
  4. 53
  5. None of these
  1. A train travelling at 40km/hr crosses another train of length equivalent to two-thirds of its own length travelling in opposite direction at 50km/hr in 18 seconds. Find the length of the second train?
  1. 150 m
  2. 180 m
  3. 225 m
  4. 175 m
  5. None of these
  1. The simple interest received on a certain sum is Rs. 35000 in five years at the rate of 10%. What would be the compound interest received on a same sum at a rate of 6% in 2 years?
  1. Rs. 7924
  2. Rs. 8236
  3. Rs. 8418
  4. Rs. 8652
  5. None of these

Directions (Q. 16 – 20) Study the following information carefully and answer the given questions:

Following table shows the total number of different company laptops sold in different years.

  Acer Dell HP Toshiba
2012 470 560 320 450
2013 520 310 440 580
2014 350 390 480 560
2015 580 470 360 280
2016 410 350 290 530
2017 320 430 610 540

 

  1. Total number of Acer laptops sold in the year 2012, 2014 and 2016 together is approximately what percentage of total number of HP laptops sold in the year 2013, 2015 and 2017 together?
  1. 75 %
  2. 87 %
  3. 112 %
  4. 127 %
  5. 103 %
  1. Find the average number of Toshiba laptops sold in all the given years together?
  1. 530
  2. 570
  3. 450
  4. 490
  5. None of these
  1. Find the ratio between the total number of laptops sold in the year 2013 to that of the year 2015 of all the given laptops together?
  1. 185 : 169
  2. 152 : 137
  3. 121 : 103
  4. 98 : 77
  5. None of these
  1. Find the difference between the total number of Dell laptops sold in the year 2012, 2014 and 2016 together to that of total number of Acer laptops sold in the year 2013, 2015 and 2017 together?
  1. 270
  2. 190
  3. 120
  4. 230
  5. None of these
  1. In which year, the minimum number of laptops sold?
  1. 2015
  2. 2016
  3. 2014
  4. 2012
  5. 2013

Answers: 

Directions (Q. 1 – 5):

  1. Answer b
[(54 × 45) ÷ 15 – 2730 ÷ 130] =3x

(54*45)/15 – (2730/130) = 3x

162 – 21 = 3x

X = (141/3) = 47

  1. Answer d

5 ¾ – 4 1/8 + 7 ½ – 3 3/8 = x

X = (5 – 4 + 7 – 3) (3/4 – 1/8 + ½ – 3/8)

X = 5 (3/4-1/2+1/2)

X = 5 (3/4)

  1. Answer c

X2 = 1122 – 582 – 344

X2 = [(112 + 58) (112 – 58)] – 344

X2 = [170*54] – 344

X2 = 9180 – 344 = 8836

X = 94

  1. Answer a

36 + 22 % of 150 = x – 112

36 + (22/100)*150 + 112 = x

X = 36 + 33 + 112 = 181

  1. Answer d

(36*36*36*64*72*18)/(9*9*9*72*72) = 4x

4*4*43 = 4x

45 = 4x

X = 5

Directions (Q. 6 – 10):

  1. Answer a

The pattern is, +12, +23, +32, +43, +52, +63,..

The answer is, 1135

  1. Answer d

The pattern is, +(3*4), +(4*5), +(5*6), +(6*7), +(7*8), +(8*9),…

The answer is, 1364

(Or)

The answer is, 1364

  1. Answer c

The pattern is, *1 + 2, *2 – 2, *3 + 2, *4 – 2, *5 + 2,..

The answer is, 9992

  1. Answer e

The pattern is, *1.5

The answer is, 1154.25

  1. Answer b

The pattern is, *1 – 13, *2 – 23, *3 – 33, *4 – 43, *5 – 53,..

The answer is, 19775

  1. Answer d

Population after 2 years = 480000 × (108/100) × (91/100) = 471744

  1. Answer a

(35/100)*x = (3/4)*y

(x/y) = (3/4)*(100/35) = (15/7)

x: y = 15 : 7

  1. Answer c

X + x + 1 + x +2 + x + 3 + x + 4 + x + 5 = 465

6x + 15 = 465

6x = 450

X = (450/6) = 75

Required answer = 75*(60/100) = 45

  1. Answer b

Relative speed of the trains = 40+50 = 90 km/hr

In m/s = 90*(5/18) = 25 m/s

Let the length of first train be x and second be 2x/3

(x + (2x/3))/25 =18

X + (2x/3) = 450

x= 450*3/5

x= 270 m

Length of second train = 2x/3 = (2*270)/3 = 180 m

  1. Answer d

S.I = (P*n*r)/100

35000 = (P*5*10)/100

P = (35000*100)/50

P = Rs. 70000

Compound Interest:

70000*(6/100) = 4200

74200*(6/100) = 4452

C.I = 4200 + 4452 = Rs. 8652

Directions (Q. 16 – 20)

  1. Answer b

Total number of Acer laptops sold in the year 2012, 2014 and 2016 together

= > 470 + 350 + 410 = 1230

Total number of HP laptops sold in the year 2013, 2015 and 2017 together

= > 440 + 360 + 610 = 1410

Required % = (1230/1410)*100 = 87 %

  1. Answer d

The total number of Toshiba laptops sold in all the given years together

= > 450 + 580 + 560 + 280 + 530 + 540

= > 2940

Required average = (2940/6) = 490

  1. Answer a

The total number of laptops sold in the year 2013 of all the given laptops together

= > 520 + 310 + 440 + 580 = 1850

The total number of laptops sold in the year 2015 of all the given laptops together

= > 580 + 470 + 360 + 280 = 1690

Required ratio = 1850: 1690 = 185: 169

  1. Answer c

The total number of Dell laptops sold in the year 2012, 2014 and 2016 together

= > 560 + 390 + 350 = 1300

The total number of Acer laptops sold in the year 2013, 2015 and 2017 together

= > 520 + 580 + 320 = 1420

Required difference = 1420 – 1300 = 120

  1. Answer b

In 2012 = > 470 + 560 + 320 + 450 = 1800

In 2013 = > 520 + 310 + 440 + 580 = 1850

In 2014 = > 350 + 390 + 480 + 560 = 1780

In 2015 = > 580 + 470 + 360 + 280 = 1690

In 2016 = > 410 + 350 + 290 + 530 = 1580

In 2017 = > 320 + 430 + 610 + 540 = 1900

In the year 2016, the minimum number of laptops sold.

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Current Affairs Quiz 9.00 AM
Quantitative Aptitude “20-20” 11.00 AM
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Reasoning Ability “20-20” 7.00 PM
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