“20-20” Quantitative Aptitude | Crack SBI Clerk Prelims 2018 Day-130

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“20-20” Aptitude Questions | Crack SBI Clerk Prelims 2018 Day-130

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

  1. 8 2/7 % of 14700 + 5 2/3 % of 19500 =?
  1. 2567
  2. 2045
  3. 2139
  4. 2323
  5. None of these
  1. (5 4/5) ÷ (2 1/4) × (675/377) × 312 =3* ?
  1. 520
  2. 480
  3. 660
  4. 350
  5. None of these 
  1. (33)2 + 18 % of 700 – (4/7) of 889 =? – 113
  1. 2566
  2. 2374
  3. 2038
  4. 2152
  5. None of these 
  1. [(1485 ÷ 11 ÷ 3) + (16 × 9)1/2] = (?)
  1. 57
  2. 69
  3. 73
  4. 41
  5. None of these
  1. (4/9) of 1224 =? – 127 × 51 ÷ 381
  1. 457
  2. 623
  3. 561
  4. 719
  5. None of these

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

  1. 1138, 1155, 1189, 1240, 1308, ?
  1. 1475
  2. 1517
  3. 1581
  4. 1459
  5. 1393 
  1. 1589, 1746, 1906, 2071, 2243, 2426, ?
  1. 2648
  2. 2622
  3. 2718
  4. 2664
  5. 2740 
  1. 352, 176, 264, 660, 2310, ?
  1. 9562
  2. 11563
  3. 10587
  4. 10395
  5. 11981
  1. 13, 17, 43, 145, 605, ?
  1. 1256
  2. 2489
  3. 1523
  4. 2897
  5. 3061 
  1. 7, 8, 34, 309, ?
  1. 4948
  2. 3562
  3. 3176
  4. 4284
  5. 4510
  1. Thirty percent of Arun’s monthly salary is equal to Rajesh’s monthly salary. If Arun’s monthly salary is Rs. 45000, then what is Rajesh’s annual salary?
  1. Rs. 178000
  2. Rs. 162000
  3. Rs. 156000
  4. Rs. 184000
  5. None of these
  1. Difference between Simple interest and Compound interest on a certain sum at the rate of 8 % per annum for two years is Rs. 256. Find the simple interest on that sum at the rate of 14% per annum after 8 years?
  1. Rs. 47500
  2. Rs. 41200
  3. Rs. 36400
  4. Rs. 44800
  5. None of these
  1. A certain number of men complete a piece of work in 40 days. If there were 8 men more, the work could be finished in 10 days less. How many men were originally there?
  1. 24
  2. 32
  3. 48
  4. 66
  5. None of these
  1. In a bag, there are 4 black, 5 red and 7 violet balls. If 3 balls are drawn randomly, then find the probability of getting the different colour?
  1. 5/6
  2. 7/8
  3. ¼
  4. 2/3
  5. None of these
  1. A train crosses a pole in 6 seconds and the same train crosses a bridge of length 150 m in 15 sec. Find the length of the train?
  1. 150 m
  2. 100 m
  3. 175 m
  4. 230 m
  5. None of these

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

Following table shows total number of people going for a movie in a different Cinema theatre and percentage of male among them and the ratio of total number of people seeing English to Hindi movie in the theatre.

Cinema theatre Total people Male % Total people seeing (English : Hindi) Movie
A 2600 64 % 7 : 6
B 3200 58 % 5 : 3
C 1800 76 % 4 : 5
D 1500 48 % 1 : 1
E 2400 52 % 5 : 7

 16. Total number of female going for a movie in theatre C is approximately what percentage of total number of male going for a movie in theatre A?

  1. 26 %
  2. 35 %
  3. 44 %
  4. 58 %
  5. 65 %
  1. Find the ratio between the total number people seeing English movie in theatre E to that of total number of people seeing Hindi movie in theatre C?
  1. 2 : 5
  2. 3 : 4
  3. 1 : 1
  4. 5 : 7
  5. None of these
  1. Find the difference between the total number of female going for a movie in theatre B and D together to that of total number of people going for a movie in theatre E?
  1. 354
  2. 276
  3. 390
  4. 428
  5. None of these
  1. Find the total number of people seeing English movie in theatre B, C and D together?
  1. 3780
  2. 3060
  3. 3890
  4. 3550
  5. None of these
  1. Total number of people going for a movie in theatre E is approximately what percentage more than total number of people going for a movie in theatre C?
  1. 33 %
  2. 47 %
  3. 50 %
  4. 66 %
  5. 25 %

Answers:

Direction (1-5)

1). Answer d

(58/700)*14700 + (17/300)*19500 = x

X = 1218 + 1105

X = 2323

2). Answer b

(29/5)*(4/9)*(675/377)*312 = 3* x

X = 480

3). Answer c

1089 + (18/100)*700 – (4/7)*889 = x – 1331

1089 + 126 – 508 + 1331 = x

X = 2038

4). Answer a

(1485/11)*(1/3) + (4*3) = x

X = 45 + 12

X = 57

5). Answer c

(4/9) * 1224 =? – (127 × 51)/381

544 + 17 = x

X = 561

Direction (6-10)

6). Answer e

The pattern is, +(1*17), +(2*17),  +(3*17), +(4*17), +(5*17),..

The answer is, 1393

7). Answer b

The difference of difference is, 3, 5, 7, 11, 13,..(Prime no’s)

The answer is, 2622

8). Answer d

The pattern is, *1/2, *3/2, *5/2, *7/2, *9/2,..

The answer is, 10395

9). Answer e

The pattern is, *1 + 22, *2 + 32, *3 + 42, *4 + 52, *5 + 62,..

The answer is, 3061

10). Answer a

The pattern is, *12 +1, *22 +2, *32 +3, *42 +4,…

The answer is, 4948

11). Answer b

Arun’s monthly salary = Rs. 45000

(30/100)*Arun’s monthly salary = Rajesh monthly salary

Rajesh monthly salary = (30/100)*45000 = Rs. 13500

Rajesh’s annual salary

= > 13500*12

= > Rs. 162000

12). Answer d

The difference between CI and SI for two years is,

Diff = P*(r/100)2

256 = P*(8/100)2

256*(25/2)2 = P

P = 256*(625/4) = 40000

S.I = (40000*14*8)/100

S. I = Rs. 44800

13). Answer a

Let the no of men be x,

Work = men*days

Here work is equal. So,

40*x = (x + 8)*30

4x = 3x + 24

X = 24

14). Answer c

Total probability n(S) = 16C3

Required probability n(E) = 4C1 and 5C1 and 7C1

P(E) = n(E)/n(S) = 16C3 / [4C1 and 5C1 and 7C1]

= > 1/4

15). Answer b

Let the train length be x,

Here, the speed of the train is equal. So,

x/6 = (x + 150)/15

15x = 6x + 900

9x = 900

X = 100 m

Direction (16-20)

16). Answer a

Total number of female going for a movie in theatre C

= > 1800*(24/100) = 432

Total number of male going for a movie in theatre A

= > 2600*(64/100) = 1664

Required % = (432/1664)*100 = 26 %

17). Answer c

The total number people seeing English movie in theatre E

= > 2400*(5/12) = 1000

The total number of people seeing Hindi movie in theatre C

= > 1800*(5/9) = 1000

Required ratio = 1000: 1000 = 1: 1

18). Answer b

The total number of female going for a movie in theatre B and D together

= > 3200*(42/100) + 1500*(52/100)

= > 1344 + 780 = 2124

The total number of people going for a movie in theatre E = 2400

Required difference = 2400 – 2124 = 276

19). Answer d

The total number of people seeing English movie in theatre B, C and D together

= > 3200*(5/8) + 1800*(4/9) + 1500*(1/2)

= > 2000 + 800 + 750 = 3550

20). Answer a

Total number of people going for a movie in theatre E = 2400

Total number of people going for a movie in theatre C = 1800

Required % = [(2400 – 1800)/1800]*100 = 33 %

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Reasoning Ability “20-20” 7.00 PM
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