“20-20” Quantitative Aptitude | Crack SBI Clerk / IDBI Executive 2018 Day-53

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

1. 14, 27, 105, 625, 4993, ?

1. 13457
2. 21675
3. 49921
4. 34679
5. None of these

2. 36, 48, 66, 102, 192,?

1. 298
2. 312
3. 356
4. 444
5. None of these

3. 130, 66, 34, 18, ?

1. 8
2. 10
3. 12
4. 14
5. None of these

4. 8, 8, 10, 16, 28,?

1. 36
2. 56
3. 48
4. 64
5. None of these

5. 2, 2, 10, 90, 1170,?

1. 13670
2. 14540
3. 17760
4. 19890
5. None of these

 

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

6. 28 % of 704 + 52 % of 1378 = x % of 800 – 727

1. 205.085
2. 127.205
3. 156.205
4. 273.085
5. None of these

7. (13/9) of [13728 – 3396] + 237 = x – 598

1. 11893
2. 13675
3. 15759
4. 18234
5. None of these

8. 125² + 2388 ÷ 4 + 17² = x

1. 19234
2. 16511
3. 21468
4. 25137
5. None of these

9. √ (5625) ÷ 15 + 14² / 28 = x – 52

1. 72
2. 56
3. 124
4. 64
5. None of these

10. (2 × 3)⁸ ÷ (12 × 3)⁴ × (27 × 8)⁵ × 6⁷ = 6^?

1. 22
2. 33
3. 55
4. 44
5. None of these

11. The radius of the semicircle is equal to the half the side of the square. The area of the square is 1024 Sq. Cm. Find the perimeter of the semicircle.

1. 32π +16 cm
2. 24π +16 cm
3. 16π +32 cm
4. 28π +16 cm
5. None of these

12. 250 m long train crosses opposite to another 360 m long train in 18 sec. If the speed of first train is 75 km/hr, then find the speed of the second train (in km/hr)?

1. 56 km/hr
2. 47 km/hr
3. 51 km/hr
4. 63 km/hr
5. None of these

13. Three friends A, B and C started a business by investing an amount of Rs. 12500, Rs. 13000 and Rs. 10500. If A’s share is Rs. 4500, then B’s share will be?

1. 4450
2. 4160
3. 4890
4. 4680
5. None of these

14. Pipe P and Q fill a tank in 10 min and 20 min respectively. If both the pipes are opened, after how much time Q should be closed so as to fill the tank in 8 min?

1. 4 min
2. 6 min
3. 8 min
4. 7 min
5. None of these

15. What is the difference between the compound interest on Rs. 25000 for 2 years at 4 % per annum compounded yearly and half yearly?

1. 15.254
2. 20.804
3. 25.804
4. 18.254
5. None of these

 

Directions (Q. 16 – 20): Read the following pie-chart and table carefully and answer the questions given below.

Percentage distribution of total mobile phone connection users

Total users = 14 crore

Ratio of male to female among these connections

Company	Male : Female
Reliance	5 : 3
Vodafone	9 : 5
Airtel	2 : 1
BSNL	2 : 5
Idea	5 : 7
Aircel	3 : 4
Tata Indicom	5 : 9

 

16. The number of female users of Airtel is approximately what percent of total number of users of Airtel?

1. 24
2. 33
3. 29
4. 21
5. 36

17. What is the respective ratio between the number of male users of Reliance and female users of Aircel?

1. 35:4
2. 12:1
3. 19:5
4. 17:8
5. None of these

18. What is the difference between female users of Vodafone and male users of Airtel?

1. 66 lakhs
2. 6.6 lakhs
3. 66 thousands
4. 6 lakhs
5. None of these

19. What is the total number of female users?

1. 7.21 crore
2. 6.52 crore
3. 7.36 crore
4. 7.45 crore
5. None of these

20. The number of female users of Reliance is what percent less than the female users of B.S.N.L.?

1. 40
2. 50
3. 56
4. 60
5. None of these

Answers:

Directions (Q. 1 – 5):

1. Answer c

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

The answer is, 49921

2. Answer d

The difference of difference is, *3

The answer is, 444

3. Answer b

The pattern is, ÷ 2 + 1

The answer is, 10

4. Answer c

The pattern is, + (1² – 1), + (2² – 2), + (3² – 3), + (4² -4), + (5² -5)….

The answer is, 48

(Or)

The difference of difference is 2, 4, 6, 8….

5. Answer d

The pattern is, *1, *5, *9, *13, *17….

The answer is, 19890

 

Directions (Q. 6-10):

6. Answer a

(28/100)*704 + (52/100)*1378 = 8x – 727

197.12 + 716.56 + 727 = 8x

8x = 1640.68

X = 205. 085

7. Answer c

(13/9)*(10332) + 237 + 598 = x

X = 14924 + 237 + 598

X = 15759

8. Answer b

15625 + 597 + 289 = x

X = 16511

9. Answer d

(75/15) + [(14*14)/28] = x – 52

5 + 7 + 52 = x

X = 64

10. Answer a

6⁸ ÷ (36)⁴ × (216)⁵ × 6⁷ = 6^x

6⁸ ÷ (6)⁸ × (6)¹⁵ × 6⁷ = 6^x

6²² = 6^x

X = 22

 

11. Answer c

    Area of square = a² = 1024

    Side (a) = 32 cm

    Radius of the semicircle = (1/2) * 32 = 16 cm

    Perimeter of semicircle = πr+d

    = > 16π +32cm

12. Answer b

Relative speed = (75 + x) km/hr = (75 + x)*(5/18) m/s

T = D/S

18 = (250+360)/ [(75 + x)*(5/18)]

122 = 75 + x

X = 122 – 75

X = 47 km/hr

13. Answer d

The ratio of profit = 12500: 13000: 10500

= > 25: 26: 21

A’s share = Rs. 4500

25’s = 4500

1’s = 180

B’s share =180*26 = Rs. 4680

14. Answer a

The capacity of the tank = LCM of 10 and 20 = 20

Pipe P fills = 2 litre/min

Pipe Q fills = 1 litre/min

Pipe P fills in 8 mins = (8*2) = 16 litres

Remaining = 20-16 = 4 litres

4 litres will be filled by Pipe Q in = (4/1) = 4 mins

So, Pipe Q should be closed after 4 mins.

15. Answer b

Compounded yearly,

= > 25000*(104/100)*(104/100) = 27040

C.I = 27040 – 25000 = 2040

Compounded half yearly,

=> 25000*(102/100)*(102/100)*(102/100)*(102/100) = 27060.804

C.I = 27060.804 – 25000 = 2060.804

The difference = 2060.804 – 2040 = 20.804

 

Directions (Q. 16 – 20):

16. Answer b

Required percent= (98/294) × 100=33 (approx)

(Or)

Required percentage = 1/3*100=33.33%

17. Answer a

Required ratio = 24/100*5/8 : 3/100*4/7

=>35:4

18. Answer e

Difference =196-100 =96 lakh

19. Answer b

Total number = 126+100+98+210+49+24+45

= 652 lakh

= 6.52 crore

20. Answer a

Female users of Reliance = 126 lakh

Female users of B.S.N.L = 210 lakh

Required % = [(210-126)/210]*100 = 40 %

Daily Practice Test Schedule | Good Luck

Topic	Daily Publishing Time
Daily News Papers & Editorials	8.00 AM
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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