“20-20” Quantitative Aptitude | Crack SBI PO Prelims 2018 Day-141

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“20-20” Aptitude Questions | Crack SBI PO Prelims 2018 Day-141

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

  1. 4518, 2259, 753, 188.25,?
  1. 74.25
  2. 37.65
  3. 52.75
  4. 48.35
  5. 66.85
  1. 5544, 2780, 1398, 707, ? , 188.75
  1. 452.25
  2. 518.75
  3. 394.25
  4. 361.50
  5. 487.75
  1. 1745, 1829, 1977, 2174, 2407, ?
  1. 2665
  2. 2712
  3. 2789
  4. 2636
  5. 2824
  1. 28, 57, 231, 1391, ? , 111359
  1. 8560
  2. 9245
  3. 10170
  4. 12758
  5. 11135
  1. 36, 68, 213, 836, 4205, ?
  1. 16782
  2. 18656
  3. 25194
  4. 23178
  5. 21320

 

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

  1. 799.99 ÷ 40.21 =? + 365.5 – (157 ÷ 3 × 14.2)
  1. 450
  2. 330
  3. 510
  4. 570
  5. 390
  1. 1362 × 138 ÷ 7.99 + 1010.99 =?
  1. 24510
  2. 21560
  3. 22780
  4. 23320
  5. 25940
  1. 13.85 × 6.05 + (78.01)2 ÷ 12.91 =? – 47 % of 1499
  1. 1370
  2. 1890
  3. 1540
  4. 1260
  5. 1450
  1. (12/37) ÷ (167/331) × 517 – 738.67 + 49 % of 1599 =?
  1. 470
  2. 420
  3. 380
  4. 340
  5. 250
  1. 55 % of 1219 + (5/13) of 20343 – 118 % of 1399 =?
  1. 7125
  2. 6845
  3. 7075
  4. 6935
  5. 7355
  1. A merchant mixes 2 types of tea, one costing Rs. 150 per kg and the other Rs. 200 per kg in the ratio of 1:2. If he sells the mixture at Rs. 240 per kg, find the approximate % profit/Loss?
  1. 21 % loss
  2. 20 % loss
  3. 31 % profit
  4. 24 % profit
  5. 18 % profit
  1. A, B and C started a business in the ratio 5: 4: 7. If 20 % of total profit goes to the charity and A’s share is Rs. 22500, then find the share of C if they didn’t give any amount to charity?
  1. Rs.41225
  2. Rs.40875
  3. Rs.38950
  4. Rs.39375
  5. None of these
  1. 4 years ago, the ratio of age of A and B is 3: 4. Sum of the present age of A and B is 64 years. Find the present age of C, if the present age of C is half of the present age of A?
  1. 16 years
  2. 14 years
  3. 12 years
  4. 18 years
  5. None of these
  1. A man covered 2/3 of the distance by bike with a speed of 50 km/hr and the remaining distance will be covered by bus with a speed of 75 km/hr. Find the total distance covered by the man, if the total time taken by him is 3 hours 12 mins?
  1. 225 km
  2. 240 km
  3. 180 km
  4. 165 km
  5. None of these
  1. Raji lent Rs. 25000 at compound interest at some rate % for 2 years. The compound interest after 2 years will be Rs. 3090. Find the rate of interest per annum?
  1. 6 %
  2. 10 %
  3. 8 %
  4. 5 %
  5. None of these

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

Following bar graph shows the total number of bikes produced by 5 different companies and the table shows the ratio of sold and unsold bikes in the year 2016.

 

 

  1. Total number of bikes produced by the company B is approximately what percentage of total number of bikes produced by the company A?
  1. 185 %
  2. 173 %
  3. 166 %
  4. 202 %
  5. 227 %
  1. Find the ratio between the total number of sold bikes of company A and C together to that of total number of sold bikes of company B and D together?
  1. 12 : 19
  2. 15 : 28
  3. 27 : 35
  4. 33 : 47
  5. None of these
  1. Find the average number of unsold bikes of company A, C and E together?
  1. 15000
  2. 18000
  3. 16000
  4. 17000
  5. None of these
  1. Total number of unsold bikes of company B is approximately what percentage less than the total number of sold bikes of company E?
  1. 72 %
  2. 84 %
  3. 96 %
  4. 63 %
  5. 52 %
  1. In which companies, the number of sold bikes were third highest?
  1. Company A
  2. Company C
  3. Company E
  4. Company B
  5. Company D 

 

Answers:

Directions (Q. 1 – 5):

1.Answer: b

The pattern is, ÷ 2, ÷ 3, ÷ 4, ÷ 5,..

The answer is, 37.65

2.Answer: d

The pattern is, ÷ 2 + 8

The answer is, 361.5

3.Answer: a     

The difference of difference is, 82, 72, 62, 52,..

The answer is, 2665

4.Answer: e

The pattern is, *2 +1, *4 +3, *6 +5, *8 + 7, *10 + 9,….

The answer is, 11135

5.Answer: c

The pattern is, *2 -22, *3 +32, *4 – 42, *5 + 52, *6 – 62,..

The answer is, 25194

Directions (Q. 6 – 10):

6.Answer: e

800 ÷ 40 = x + 366 – (157 ÷ 3 × 14)

(800/40) = x + 366 – (157*14)/3

20 = x + 366 – 733

X = 20 – 366 + 733 = 387

X = 390

7.Answer: a

1362 × 138 ÷ 8 + 1011 = x

X= 23495 + 1011

X= 24506 = 24510

8.Answer: d

14 × 6 + (78)2 ÷ 13 =? – 47 % of 1500

(14*6) + (78*78)/13 = x – (47/100)*1500

84 + 468 = x – 705

X = 84 + 468 + 705

X = 1257

X = 1260

9.Answer: c

 (12/37)*(333/168)*518 – 739 + (49/100)*1600 = x

X = 333 – 739 + 784

X = 378 = 380

10.Answer: b

 (55/100)*1220 + (5/13)*20345 – (118/100)*1400 = x

X = 671 + 7825 – 1652

X = 6844 = 6845

11.Answer: c

Total kg’s of 2 types of tea is not given. But the ratio will be 1:2. Take that as, x and 2x,

Cost price = x*150 + 2x*200 = 550x

Selling price = 3x*240 = 720x

Loss % = (170x/550x)*100 = 30.9 % = 31%

12.Answer: d

A’s share = 22500

Profit distributed among A, B, C = 22500/5*16 = Rs. 72000

Total profit = (72000/80)*100 = Rs. 90000

C’s share if they didn’t give any amount to charity = 90000*(7/16) = Rs. 39375

13.Answer: b

4 years ago, the ratio of age of A and B = 3: 4 (3x, 4x)

The present age of A and B = 3x + 4, 4x + 4

Sum of the present age of A and B = 64 years

3x + 4 + 4x + 4 = 64

7x = 64 – 8

7x = 56

X = 8

Present age of A = 3x + 4 = 28 years

Present age of C = 28/2 = 14 years

14.Answer: c

Total time taken by him = 3 hours 12 min = 3 12/60 = 3 1/5 hours

T = D/S

(2x/3)/50 + (x/3)/75 = 3 1/5

2x/150 + x/225 = 16/5

(450x + 150x)/(150*225) = 16/5

600x / (150*225) = 16/5

X = 180 km

15.Answer: a

Total amount = 25000 + 3090 = Rs. 28090

Total amount = P*(1 + r/100)2

28090 = 250000*[(100+ r)/100]2

(2809/2500) = [(100+ r)/100]2

(53/50)2 = [(100+ r)/100]2

(53/50) = (100+ r)/100

100 + r = 106

r = 106 – 100 = 6 %

Rate of interest per annum = 6 %

 

Directions (Q. 16 – 20)

16.Answer: d

Required % = (85000/42000)*100 = 202 %

17.Answer: c

The total number of sold bikes of company A and C together

= > 42000*(11/14) + 66000*(8/11)

= > 33000 + 48000 = 81000

The total number of sold bikes of company B and D together

= > 85000*(13/17) + 58000*(20/29)

= > 65000 + 40000 = 105000

Required ratio = 81000: 105000

= > 27: 35

18.Answer: a

The total number of unsold bikes of company A, C and E together

= > 42000*(3/14) + 66000*(3/11) + 72000*(1/4)

= > 9000 + 18000 + 18000

= > 45000

Required average = 45000/3 = 15000

19.Answer: d

Total number of unsold bikes of company B

= > 85000*(4/17) = 20000

Total number of sold bikes of company E

= > 72000*(3/4) = 54000

Required % = [(54000 – 20000)/54000]*100 = 63 %

20.Answer: b

Company A = > 42000*(11/14) = 33000

Company B = > 85000*(13/17) = 65000

Company C = > 66000*(8/11) = 48000

Company D = > 58000*(20/29) = 40000

Company E = > 72000*(3/4) = 54000

Company C sold third highest number of bikes.

 

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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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