“20-20” Quantitative Aptitude | Crack SBI Clerk Prelims 2018 Day-91

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“20-20” Aptitude Questions | Crack SBI Clerk 2018 Day-91

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

  1. 97, 99, 105, 117,?
  1. 143
  2. 151
  3. 137
  4. 147
  5. 153
  1. 17, 23, 35, 55, 85,?
  1. 127
  2. 99
  3. 113
  4. 135
  5. 143
  1. 285, 296, 328, 382, 459,?
  1. 498
  2. 526
  3. 592
  4. 560
  5. 604
  1. 72, 142, 564, 3378, 27016,?
  1. 185620
  2. 270150
  3. 230680
  4. 324840
  5. 358730
  1. 9, 21, 51, 135, 381,?
  1. 755
  2. 841
  3. 907
  4. 1055
  5. 1113

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

6.? = (9786 + 549) ÷ 65 + 362 + (1/4) of 1680

  1. 1658
  2. 1875
  3. 2136
  4. 2472
  5. 2813
  1. 1323 ÷ (27 % of 700) = 35 × 7 3/5 of (? ÷ 190)
  1. 7
  2. 9
  3. 4
  4. 5
  5. 8 
  1. 18 ½ % of 9800 + 23 1/3 % of 8700 = (5/9) of 810 +?
  1. 2897
  2. 3056
  3. 3393
  4. 2614
  5. 4095
  1. (28 × 9 + 54 × 3 + 12 × 11) ÷ (142 – √961 + 17) =?
  1. 6
  2. 3
  3. 5
  4. 8
  5. 7
  1. 1855 of (22/3) of (243/11) ÷ (11130/36) =?
  1. 972
  2. 850
  3. 734
  4. 1056
  5. 1144

 

  1. A shopkeeper sells an item at a profit of 20%. If he reduces the price of the item by Rs 700, he incurs a loss of 15%. What is the cost price of the item?
  1. 1800
  2. 2300
  3. 2700
  4. 2000
  5. None of these
  1. Two trains A and B of the same length running in the same direction with a speed of 72 km/hr and 108 km/hr respectively can cross each other in how many seconds if train A crosses a standing man in 12 seconds?
  1. 52 seconds
  2. 45 seconds
  3. 48 seconds
  4. 56 seconds
  5. None of these
  1. If the compound interest on a certain sum for 2 years at 10% per annum is Rs. 6300, then find the corresponding simple interest?
  1. 7500
  2. 6000
  3. 8200
  4. 7800
  5. None of these
  1. The speed of the man in still water is 7.5 km/hr and the rate of flow of water is 2.5 km/hr. He takes 30 hours to row to a place and back. Find the distance between these two places?
  1. 130 km
  2. 165 km
  3. 142 km
  4. 100 km
  5. None of these
  1. A starts a business with a capital of Rs. 1500. B joins the business 6 months after the start of the business and C joins the business after 8 months. At the end of the year, their respective shares in the profit were in the ratio of 5:3:3. What is the sum of the amount invested by B and C together?
  1. 5400
  2. 6300
  3. 4500
  4. 7200
  5. None of these

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

Following table shows the percentage of marks scored by five students in different subjects.

  Gk

(125)

Maths

(200)

English

(150)

Hindi

(125)

Science

(175)

Sanskrit

(75)

P 67 78 81 72 69 89
Q 83 91 85 79 66 75
R 75 88 75 69 80 85
S 91 93 65 68 72 80
T 65 72 92 91 85 86

 

  1. Find the ratio of total marks scored by Student Q to that of total marks scored by Student S in all the given subjects?
  1. 2456 : 2335
  2. 3345 : 3217
  3. 2735 : 2673
  4. 3134 : 2987
  5. None of these
  1. Total marks scored by Student P in Maths, English and Sanskrit together is approximately what percentage of total marks scored by Student R in Gk, Hindi and Science together?
  1. 115 %
  2. 108 %
  3. 96 %
  4. 84 %
  5. 127 %
  1. Find the approximate overall percentage of marks scored by the student S?
  1. 79 %
  2. 85 %
  3. 66 %
  4. 93 %
  5. 88 %
  1. Find the total marks scored by all the students in the subject Maths?
  1. 812
  2. 844
  3. 936
  4. 728
  5. None of these
  1. Find the difference between the total marks scored by the student T to that of total marks scored by the student Q?
  1. 5
  2. 12
  3. 5
  4. 8
  5. None of these

 

Answers:

Directions (Q. 1 – 5):

  1. Answer c

The pattern is, +(12+1), +(22+2), +(32+3), +(42+4),..

The answer is, 137

(Or)

The difference of the following series is (1*2), (2*3), (3*4), (4*5)….

Answer is 137

  1. Answer a

The pattern is, +(2*3), +(3*4), +(4*5), +(5*6),..

The answer is, 127

  1. Answer d

The answer is, 560

  1. Answer b

The pattern is, *2-2, *4-4, *6-6, *8-8, *10-10…

The answer is, 270150

  1. Answer e

The pattern is, *3-6, *3-12, *3-18, *3-24, *3-30,

The answer is, 1113

 

Directions (Q. 6 – 10):

  1. Answer b

X = (10335/65) + 1296 + (1/4)*1680

X = 159 + 1296 + 420

X = 1875

  1. Answer d

1323 ÷ [(27/100)*700] = 35 × (38/5)*(x/190)

1323 ÷ 189 = 35 × (38/5)*(x/190)

(7*5*190)/(35*38) = x

X = 5

  1. Answer c

(37/200)*9800 + (70/300)*8700 = (5/9)*810 + x

1813 + 2030 – 450 = x

X = 3393

  1. Answer b

(28 × 9 + 54 × 3 + 12 × 11) ÷ (142 – √961 + 17) = x

X = (252 + 162 + 132) ÷ (196 – 31 + 17)

X = 546/182

X = 3

  1. Answer a

1855*(22/3)*(243/11)*(36/11130) = x

X = 972

  1. Answer d

Let the cost price of the item be x

So,

120 % of x – 85 % of x = 700

35% of x = 700

35x/100 = 700

x = 700*100/35

x = 2000

Cost price of the item = Rs. 2000

  1. Answer c

Speed of train A in m/s= 72*5/18= 20 m/s

Length of train A= 20*12 = 240 m

Speed of train B in m/s= 108*5/18= 30 m/s

The time required to cross each other

= (240+240)/(30-20)

= 480/10

= 48 seconds

  1. Answer b

Let the sum of money be x,

x*[(1 + (10/100))2 – 1] = 6300

x*[(11/10)2 – 1] = 6300

x*[(121/100) – 1] = 6300

x*(21/100) = 6300

x = 6300*(100/21) = Rs. 30000

Simple interest on the sum= (30000*10*2)/100= Rs. 6000

(Or)

Short-cut formula of Compound interest for 2 years

Compound interest for 2 years in terms of % = x+x+(x*x)/100

Here x is a rate of interest

10+10+(10*10)/100 = 20+1 = 21%

6300 –à 21%

?      –à 100%

100% = 6300/21*100 = Rs. 30000

Simple interest for same sum = (30000* 10* 2)/100 = Rs.6000

  1. Answer d

Let the distance be x,

The speed of man in still water = 7.5 km/hr

Speed of stream = 2.5 km/hr

Speed of upstream = 7.5 – 2.5 = 5 km/hr

Speed of downstream = 7.5 + 2.5 = 10 km/hr

According to the question,

(x/10) + (x/5) = 30

3x/10 = 30

X = 100 km

  1. Answer c

Let the initial investment of B and C be x and y,

Ratios of profits = >

[1500*12] : [6x] : [4y] = 5:3:3

5’s = 1500*12

1’s = 3600

3’s = 10800

Capital of B

= > 6x = 10800

= > x = 10800/6 = Rs. 1800

Capital of C

= > 4y = 10800

= > y = 10800/4 = Rs. 2700

Total Money invested by B and C = 1800 + 2700= Rs. 4500

 

Directions (Q. 16 – 20)

  1. Answer c

The total marks scored by Student Q

= > (83/100)*125 + (91/100)*200 + (85/100)*150 + (79/100)*125 + (66/100)*175 + (75/100)*75

= > 103.75 + 182 + 127.5 + 98.75 + 115.5 + 56.25

= > 683.75

The total marks scored by Student S

= > (91/100)*125 + (93/100)*200 + (65/100)*150 + (68/100)*125 + (72/100)*175 + (80/100)*75

= > 113.75 + 186 + 97.5 + 85 + 126 + 60

= > 668.25

Required ratio = 683.75: 668.25 = 68375: 66825 = 2735: 2673

  1. Answer b

Total marks scored by Student P in Maths, English and Sanskrit together

= > (78/100)*200 + (81/100)*150 + (89/100)*75

= > 156 + 121.5 + 66.75

= > 344.25

Total marks scored by Student R in Gk, Hindi and Science together

= > (75/100)*125 + (69/100)*125 + (80/100)*175

= > 93.75 + 86.25 + 140

= > 320

Required % = (344.25/320)*100 = 107.57 % = 108 %

  1. Answer a

Total marks scored by the student S

= > (91/100)*125 + (93/100)*200 + (65/100)*150 + (68/100)*125 + (72/100)*175 + (80/100)*75

= > 113.75 + 186 + 97.5 + 85 + 126 + 60

= > 668.25

The overall percentage of marks scored by the student S

= > (668.75/850)*100 = 78.67 % = 79 %

  1. Answer b

The total marks scored by all the students in the subject Maths

= > (78 + 91 + 88 + 93 + 72)*(200/100)

= > 422*2

= > 844

  1. Answer a

The total marks scored by the student T

= > (65/100)*125 + (72/100)*200 + (92/100)*150 + (91/100)*125 + (85/100)*175 + (86/100)*75

= > 81.25 + 144 + 138 + 113.75 + 148.75 + 64.50

= > 690.25

The total marks scored by the student Q

= > (83/100)*125 + (91/100)*200 + (85/100)*150 + (79/100)*125 + (66/100)*175 + (75/100)*75

= > 103.75 + 182 + 127.5 + 98.75 + 115.5 + 56.25

= > 683.75

Required difference = 690.25 – 683.75 = 6.5

 

Daily Practice Test Schedule | Good Luck

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
English Language “20-20” 2.00 PM
Banking Awareness Quiz 3.00 PM
Reasoning Puzzles & Seating 4.00 PM
Daily Current Affairs Updates 5.00 PM
Data Interpretation / Application Sums (Topic Wise) 6.00 PM
Reasoning Ability “20-20” 7.00 PM
English Language (New Pattern Questions) 8.00 PM
General / Financial Awareness Quiz 9.00 PM 

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