“20-20” Quantitative Aptitude | Crack SBI PO 2018 Day-137

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“20-20” Aptitude Questions | Crack SBI PO 2018 Day-137

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

  1. 32% of 1899 + 81% of 4001 =? + 172
  1. 2150
  2. 3240
  3. 2670
  4. 3680
  5. 3830
  1. 16/5 of 8475.26 + 18/7 of 168.29 =?
  1. 27550
  2. 23640
  3. 21780
  4. 19120
  5. 15490
  1. 4508 =? × 3 + 452 + 553.89 – 379.78
  1. 1700
  2. 1500
  3. 1900
  4. 1000
  5. 1300
  1. ? – 113 = (162% of 199) – 2560 ÷ 8
  1. 1050
  2. 1785
  3. 1335
  4. 2160
  5. 2390
  1. (3569 ÷ 13.91) ÷ 3 + 27% of 4499 =?
  1. 1100
  2. 1300
  3. 1500
  4. 1700
  5. 1900

 

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

  1. 69984, 11664, 1944, 324,? , 9
  1. 128
  2. 92
  3. 54
  4. 66
  5. 105
  1. 1506, 753, 251, ? , 12.55
  1. 62.75
  2. 58.25
  3. 45.5
  4. 50.25
  5. 70.75
  1. 7000, 3508, 1762, 889, ? , 234.25
  1. 694.5
  2. 628.6
  3. 594.3
  4. 512.7
  5. 452.5
  1. 841, 857, 937, 1066, 1231,?
  1. 1378
  2. 1354
  3. 1453
  4. 1421
  5. 1492
  1. 52, 105, 423, 2543, ?
  1. 17546
  2. 20351
  3. 19118
  4. 23472
  5. 22193
  1. The population of a town is 35000. If the number of men increases by 6 % and the women increases by 4 %, then the population after one year is 36760. Find the difference between the number of men and women in the town?
  1. 1500
  2. 1300
  3. 1800
  4. 1000
  5. None of these
  1. The simple interest accrued on an amount of Rs. 15,000 at the end of two years is Rs. 2400. What would be corresponding Compound Interest?
  1. 2496
  2. 2512
  3. 2538
  4. 2474
  5. None of these
  1. A and B invested in the ratio of 3: 5. The profits are divided in the ratio of 9: 20. If A has invested for 6 months, then B invested for?
  1. 6 months
  2. 8 months
  3. 5 months
  4. 7 months
  5. None of these
  1. If the numerator of the fraction is increased by 50 % and the denominator is increased by 25 %, then the fraction becomes 18/19. Find the original fraction?
  1. 11/17
  2. 29/35
  3. 15/19
  4. 33/52
  5. None of these
  1. A box contains 5 Pink balls, 3 white balls, 4 black balls. If three balls are drawn out random, then the probability that two balls are pink and one ball is black?
  1. 2/11
  2. 5/13
  3. 7/15
  4. 9/23
  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 types of shampoo sold in the year 2017 in a certain state and the ratio of shampoo sold in rural and urban areas among them.

  Total shampoo

(In lakhs)

Rural : Urban
Sun silk 25 2 : 3
All clear 36 2 : 1
Dove 42 3 : 4
Chick 50 12 : 13
Clinic plus 28 3 : 4

 

  1. Find the ratio between the total Sun silk shampoos sold in rural areas to that of total Dove shampoos sold in urban areas?
  1. 3 : 7
  2. 9 : 19
  3. 11: 15
  4. 5 : 12
  5. None of these
  1. Find the average number of All clear, Chick and Clinic plus shampoo sold in urban areas?
  1. 22 lakhs
  2. 18 lakhs
  3. 26 lakhs
  4. 24 lakhs
  5. None of these
  1. Total number of Sun silk and Chick shampoo sold in the year 2017 is approximately what percentage of total number of Dove and Clinic plus shampoo sold in the year 2017?
  1. 123 %
  2. 115 %
  3. 107 %
  4. 135 %
  5. 92 %
  1. Find the difference between the total number of All clear shampoo sold in rural areas to that of total number of Chick shampoo sold in urban areas?
  1. 9 lakhs
  2. 5 lakhs
  3. 7 lakhs
  4. 2 lakhs
  5. None of these
  1. Total number of Sun silk shampoo sold in urban areas is what percentage of total number of Clinic plus shampoo sold in rural areas?
  1. 175 %
  2. 200 %
  3. 125 %
  4. 100 %
  5. 80 %

Answers:

Directions

 

(Q. 1 – 5):

1.Answer d

 (32/100)*1900 + (81/100)*4000 = x + 172

608 + 3240 – 172 = x

X = 3676 = 3680

2.Answer a

 (16/5)*8475 + (18/7)*168 = x

X = 27120 + 432

X = 27552 = 27550

3.Answer e

4508 = 3x + 452 + 554 – 380

4508 – 452 – 554 + 380 = 3x

3x = 3882

X = 1294 = 1300

4.Answer c

X – 1331 = (162/100)*200 – (2560/8)

X – 1331 = 324 – 320

X = 324 – 320 + 1331

X = 1335

5.Answer b

 (3570/14)/3 + (27/100)*4500 = x

X = 85 + 1215

X = 1300

Directions (Q. 6 – 10):

6.Answer c

The pattern is, ÷ 6

The answer is, 54

7.Answer a

The pattern is, ÷ 2, ÷ 3, ÷ 4, ÷ 5,..

The answer is, 62.75

8.Answer e

The pattern is, ÷ 2 + 8

The answer is, 452.5

9.Answer d

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

The answer is, 1421

10.Answer b

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

The answer is, 20351

11.Answer d

Let the population of men and women be x and y,

x + y = 35000 –à (1)

(6/100)x + (4/100)y = 1760

6x + 4y = 176000

3x + 2y = 88000 —à (2)

By solving the equation (1) and (2), we get,

X = 18000, y = 17000

Required difference = 18000 – 17000 = 1000

12.Answer a

S.I = PNR/100

2400 = (15000*2*R)/100

R = (2400*100)/30000

R = 8 %

Corresponding CI:

15000*(8/100) = 1200

16200*(8/100) = 1296

C.I = 1200 + 1296 = Rs. 2496

13.Answer b

Let the investment period of B is x,

The investment ratio of A and B = 3: 5

The profits ratio = 9: 20

According to the question,

(9/20) = (3*6)/(5*x)

X = 8 months

14.Answer c

Let the original fraction be x/y,

[x*(150/100)]/[y*(125/100)] = 18/19

6x/5y = 18/19

x/y = (18/19)*(5/6) = 15/19

15.Answer a

Total probability = 12C3

Required probability = 5C2 and 4C1

P(E) = (5C2 and 4C1)/12C3 = 2/11

 Directions (Q. 16 – 20)

16.Answer d

The total Sun silk shampoo sold in rural areas

= > 25*(2/5) = 10 lakhs

The total Dove shampoo sold in urban areas

= > 42*(4/7) = 24 lakhs

Required ratio = 10: 24 = 5: 12

17.Answer b

The total number of All clear, Chick and Clinic plus shampoo sold in urban areas

= > 36*(1/3) + 50*(13/25) + 28*(4/7)

= > 12 + 26 + 16 = 54 lakhs

Required average = 54/3 = 18 lakhs

18.Answer c

Total number of Sun silk and Chick shampoo sold in the year 2017

= > 25 + 50 = 75 lakhs

Total number of Dove and Clinic plus shampoo sold in the year 2017

= > 42 + 28 = 70 lakhs

Required % = (75/70)*100 = 107 %

19.Answer d

The total number of All clear shampoo sold in rural areas

= > 36*(2/3) = 24 lakhs

The total number of Chick shampoo sold in urban areas

=> 50*(13/25) = 26 lakhs

Required difference = 26 – 24 = 2 lakhs

20.Answer c

Total number of Sun silk shampoo sold in urban areas

= > 25*(3/5) = 15 lakhs

Total number of Clinic plus shampoo sold in rural areas

= > 28*(3/7) = 12 lakhs

Required % = (15/12)*100 = 125 %

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