“20-20” Quantitative Aptitude | Crack SBI Clerk 2018 Day-37

Dear Friends, SBI Clerk 2018 Notification has been released we hope you all have started your preparation. Here we have started New Series of Practice Materials specially for SBI Clerk 2018. Aspirants those who are preparing for the exams can use this “20-20” Quantitative Aptitude Questions.

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1. A, B, C started a business with an investment of Rs. 30000, Rs. 40000 and Rs. 50000 respectively. After 3 months from the start of the business A withdraw 10000 and at the same time C invested 15000 more. At the end of 12 months total profit is Rs. 198000. Find A’s share?

1. 24000
2. 36000
3. 42000
4. 48000
5. None of these

2. 5 years ago, the age of the father is 3 times that of his son. 7 years hence, the father and the son is in the ratio of 19:9. Find the Present age of Father?

1. 45 years
2. 42 years
3. 50 years
4. 55 years
5. None of these

3. A bag contains 4 vivo mobiles, 6 Lenovo mobiles and 5 oppo mobiles. 3 mobiles are drawn at random. What is the probability of choosing at least one is oppo mobile?

1. 24/91
2. 43/91
3. 57/91
4. 67/91
5. None of these

4. A man purchases 2 watches for Rs. 665. He sells one of them at 20% profit and another at 15% loss. Thus, he neither gains nor loses. Find the selling price.

1. 342, 323
2. 285, 380
3. 410, 353
4. 267, 323
5. None of these

5. If 3 men or 4 women or 6 boys can finish a work in 135 days working 8 hours a day. The no of days taken by 12 men, 8 women and 18 boys working 12 hours a day will be?

1. 12 days
2. 15 days
3. 18 days
4. 10 days
5. None of these

Directions (Q. 6-10): What approximate value should come in place of question mark in the following questions? (You are not expected to calculate the exact value)

6. 4^x × √226 = 245.998 ÷ 8.01 + 929.98

1. 5
2. 7
3. 3
4. 4
5. 6

7. ? % of (140.06 × 7.99 – 679.92) = 330.01

1. 85
2. 75
3. 60
4. 90
5. 50

8. (25% of 14000) ÷? = (127% of 13.02) × 2.01

1. 190
2. 170
3. 230
4. 100
5. 260

9. (4809.01 + 9615.96 + 14425.03)/4.98 + 6 =?²

1. 56
2. 64
3. 76
4. 82
5. 46

10. (4/15) of 393 + (7/12) of 473 =? * (1.99+1.10)

1. 126
2. 140
3. 165
4. 208
5. 215

Directions (Q. 11 – 15): Study the following table carefully to answer the questions that follow:

Number of medals won by the five different countries in six Olympic Games

11. Which country won second highest number of medals over all the Olympics together?

1. China
2. Russia
3. India
4. England
5. USA

12. What was the approximate percent increase in number of medals won by country-India in the year 2004 from the previous Olympics?

1. 85%
2. 75%
3. 93%
4. 60%
5. 88%

13. If 50 percent of the medals won by USA in the year 2000 were gold medals. 10 percent were bronze and remaining were silver medals, what was the number of silver medals won by that country?

1. 20
2. 33
3. 43
4. 37
5. None of these

14. Number of medals won by country-China in the years 2012 was approximately what percentage of the number of medals won by country-Russia in the year 1996?

1. 144%
2. 180%
3. 154%
4. 60%
5. 75%

15. One of the countries performances decreased consistently from the year 1992 to the year 2012. Which of the following is that country?

1. A
2. B
3. C
4. D
5. None of these

Directions (Q. 16-20): What should come in place of question mark (?) in the following number series?

16. 18, 27, 44, 85, ?

1. 121
2. 198
3. 156
4. 225
5. None of these

17. 58, 30, 32, 68, ? , 2256

1. 280
2. 340
3. 750
4. 670
5. None of these

18. 378, 189, 63, ? , 3.15

1. 35
2. 54
3. 20.25
4. 15.75
5. None of these

19. ? , 512, 81, 1000, 121, 1728

1. 36
2. 49
3. 25
4. 100
5. None of these

20. 7, 35, 105, 525, 1575, 7875, ?

1. 12575
2. 15675
3. 23625
4. 18275
5. None of these

Answers:

1. Answer b

The ratio of profit of A, B and C = (30000*3 + 20000*9): (40000*12): (50000*3 + 65000*9)

= > 270000: 480000: 735000

= > 18: 32: 49

Total profit = Rs. 198000

99’s = 198000 => 1’s = 2000

A’s share= 18’s = 18*2000 = 36000

2. Answer c

5 years ago, father: son = 3:1 (3x, x)

7 years hence, Father: son = 19: 9

(3x+12)/ (x+12) = 19/9

27x + 108 = 19x +228

8x = 120

X= 15

Father’s present age = 3x + 5 = 50 years

3. Answer d

Total probability = 15C3

Required probability = 1- none is oppo mobile

The probability of choosing none is oppo mobile,

= > 10C3/15C3 = (10*9*8)/(15*14*13)

= > 24/91

Probability of choosing at least one is oppo mobile,

= >  1- (24/91) = 67/91

4. 
5. Answer d

3 men = 4 women

4 women = 6 boys

12 men and 8 women and 18 boys = 16 women + 8 women + 12 women = 36 women

Women                                days                       hours

4                                         135                         8

36                                       ?                              12

(4*135*8) = (36* ? days *12)

X = 10 days

Directions (Q. 6-10):

6. Answer c

4^x × 15 = 246 ÷ 8 + 930

4^x = (30+930)/15

4^x = 960/15 = 64

4^x = 4³

X=3

7. Answer b

(x/100) × (140 × 8 – 680) = 330

(x/100) × (1120 – 680) = 330

(x/100) × 440 = 330

X= 75

8. Answer d

(25*140)/x = 1.3*13*2

X= 100

9. Answer c

(4809 + 9616 + 14425)/5 + 6 = x²

28850/5 + 6= X²

5770 + 6 = X²

5776 = x²

X = 76

10. Answer a

(4/15)*393 + (7/12)*473 = x*3

3x = 104 + 273

3x = 377

X= 126

Directions (Q. 11 – 15):

11. Answer c

It is obvious from the table.

China = 588; USA = 333; India = 427; Russia = 298;  England = 404

India won second highest number of medals over all the years together.

12. Answer c

Required percentage increase =(108-56)/56 x 100% = 52/56 x 100 % = 93%

13. Answer a

Total medals won by country USA in the year 2004 = 50

Number of gold and bronze medals = (50+10) % of 50 = 30

Therefore, Number of silver medals won = 50-30 =20

14. Answer b

Number of medals won by China in 2012 = 64

Number of medals won by Russia in 1996 = 36

Required percentage = 64/36 x 100 %= 177.77

15. Answer e

Such country is not there in the table

Directions (Q. 16-20):

16. Answer b

The difference of difference is, *3

The answer is, 198

17. Answer a

The pattern is, *0.5+1, *1+2, *2+4, *4+8, *8+16

The answer is, 280

18. Answer d

The pattern is, ÷2, ÷3, ÷4, ÷5..

The answer is, 15.75

19. Answer b

The pattern is, 7², 8³, 9², 10³, 11², 12³

The answer is, 49

20. Answer c

The pattern is, *5,*3(alternatively)

The answer is, 23625

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