“20-20” Quantitative Aptitude | Crack SBI Clerk / IDBI Executive 2018 Day-64

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

1. 72, 146, 296, 598, ?

1. 1204
2. 856
3. 944
4. 1128
5. 1342

2. 21, 22, 178, ? , 307780

1. 1786
2. 2142
3. 3784
4. 4809
5. 5423

3. 27, 54, 162, 648, ?

1. 1786
2. 2890
3. 3240
4. 2154
5. 3278

4. 137, 137, 142, 157, ? , 477

1. 195
2. 222
3. 298
4. 326
5. 387

5. 52, 53, 75.5, 157, 384.5, ?

1. 945.5
2. 857.5
3. 1163.5
4. 1287.5
5. 1956.5

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

6. 799.99 ÷ 40.21 = ? – 365.50

1. 230
2. 390
3. 180
4. 315
5. 270

7. (4/7) of (8/17) of (31/65) of 325 =?

1. 40
2. 70
3. 50
4. 60
5. 30

8. 13.85 × 6.05 + (75.01)² × 12.91 =?

1. 65840
2. 58920
3. 46350
4. 73210
5. 39780

9. 625.92 – 362.21 ÷ (9.77 % of 82) =?

1. 460
2. 350
3. 580
4. 620
5. 390

10. (14.02)² – (13.05)² + (4325.175 + 79.55) ÷? = 225

1. 28
2. 22
3. 36
4. 30
5. 42

11. Rajiv spends 40% of his monthly income on food and 25% on education for his children. Of the remaining salary, he spends 20% on entertainment and 15% for purchasing dresses. He is now left with Rs. 22,750. What is the monthly salary of Rajiv?

1. 100000
2. 95000
3. 80000
4. 75000
5. 60000

12. In a mixture of 84 litres, the ratio of milk to water is 7: 5. If this ratio is to be 7: 8, then what is the quantity of water needed to be added?

1. 12 litres
2. 16 litres
3. 18 litres
4. 21 litres
5. 25 litres

13. A, B and C started a business by investing Rs. 25000, Rs. 35000 and Rs. 45000 respectively. After 3 months, A invested Rs. 10000 more. Find the total profit, if the share B is Rs. 24500 at the end of one year?

1. 65800
2. 56420
3. 78750
4. 48900
5. 86540

14. A can complete 3/4 of the work in 12 days. While A and B together the complete the work in 12 days, find the time required by C who is twice efficient than B?

1. 18 days
2. 16 days
3. 24 days
4. 28 days
5. 14 days

15. The ratio of B’s age six years hence to C’s present age is 3:2. B is fifteen years younger than A. If at present A’s age is twice the age of C, then what was B’s age 4 years ago?

1. 21 years
2. 15 years
3. 17 years
4. 24 years
5. 27 years

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

Following table shows the percentage of marks taken by the students in different subjects in a certain examination.

Subject     Student	Physics (Out of 150)	Chemistry (Out of 120)	Maths (Out of 200)	Biology (Out of 150)	English (Out of 100)	Hindi (Out of 75)
Ram	78 %	75 %	98 %	84 %	81 %	76 %
Akil	62 %	70 %	89 %	74 %	79 %	44 %
Ragu	74 %	55 %	75 %	82 %	68 %	72 %
Jeyashree	90 %	85 %	94 %	68 %	70 %	84 %
Bharathi	88 %	90 %	78 %	90 %	67 %	76 %

16. Find the total marks scored by Ram?

1. 667
2. 628
3. 553
4. 592
5. None of these

17. Total marks scored by Akil in the subjects of maths and biology is approximately what percentage of total marks scored by Bharathi in the same subjects?

1. 90 %
2. 120 %
3. 75 %
4. 100 %
5. 125 %

18. Find the ratio of total marks scored by all the students in maths to that of Chemistry?

1. 356 : 225
2. 485 : 127
3. 434 : 225
4. 398 : 127
5. None of these

19. Which of the following student gets highest total marks?

1. Akil
2. Jeyashree
3. Ragu
4. Bharathi
5. Ram

20. Total marks scored by Akil in all the subject is approximately what percentage more/less than the total marks scored by Ragu in all the subject?

1. 5 %
2. 3 %
3. 8 %
4. 1 %
5. None of these

Answers:

Directions (Q. 1 – 5):

1. Answer a

The pattern is, *2 + 2, *2 + 4, *2 + 6, *2 + 8,..

The answer is, 1204

2. Answer d

The pattern is, *1³ + 1, *2³ + 2, *3³ + 3, *4³ + 4…

The answer is, 4809

3. Answer c

The pattern is, *2, *3, *4, *5,..

The answer is, 3240

4. Answer b

The pattern is, +1² -1, +2² + 1, +4² – 1, +8² +1, +16² -1,..

The answer is, 222

5. Answer c

The pattern is, *1 + 2, *1.5 -4, *2 + 6, *2.5 -8, *3 + 10,..

The answer is, 1163.5

Directions (Q. 6 – 10):

6. Answer b

(800/40) = x – 366

20 = x – 366

X = 20 + 366 = 386

X = 390

7. Answer a

(4/7)*(8/17)*(31/65)*325 = x

X = (4/8)*(8/16)*(32/65)*325

X = 40

8. Answer d

14 × 6 + 75² × 13 = x

X = 84 + 73125

X = 73209

X = 73210

9. Answer c

626 – 362 ÷ ((10/100)*82) = x

626 – 362 ÷ 8.2 = x

626 – (362/8) = x

X = 626 – 45 = 581

X = 580

10. Answer b

(14)² – (13)² + (4325 + 80) ÷? = 225

196 – 169 + (4405/x) = 225

(4405/x) = 225 – 196 + 169

(4405/x) = 198

x = 4405/198

x = 4400/200

x = 22

 

11. Answer a

Let Rajiv’s monthly salary be x,

According to the question,

X*(35/100)*(65/100) = 22750

X = 22750*(100/65)*(100/35)

X = 100000

12. Answer d

Total Quantity = 84 litres

The ratio of milk to water= 7: 5

Milk= 49 litres, Water= 35 litres

According to the question,

49/(35+x) = 7/8

56 = 35+x

X= 21 litres

So 21 litres of water should be added.

13. Answer c

The share of A, B and C = [(25000*3) + (35000*9)] : [35000*12] : [45000*12]

= > 390000: 420000: 540000

= > 13: 14: 18

14’s = 24500

1’s = 1750

Total profit = 45’s = 1750*45 = 78750

14. Answer c

A’s whole work,

(3/4)*A’s work = 12

A’s work = 16 days

(A+ B)’s work = 12 days

B’s one day work = (1/12) – (1/16) = 1/48

B’s whole work = 48 days

(B : C)’s efficiency = 1 : 2

(B : C)’s day ratio = 2:1

So, 2’s = 48

1’s = 24

C’s whole work = 24 days

15. Answer c

The ratio of B’s age six years hence to C’s present age is 3:2(3x, 2x)

Present ages of B to C = 3x-6, 2x

Present ages of A to C = 2 : 1(2x, x)

Present ages of A, B and C = 4x, 3x-6, 2x

B = A – 15

A – B = 15

4x – (3x-6) = 15

4x – 3x + 6 = 15

X = 9

B’s age 4 years ago = 3x – 6 – 4 = 27 – 10 = 17 years

 

Directions (Q. 16 – 20)

Subject     Student	Physics (Out of 150)	Chemistry (Out of 120)	Maths (Out of 200)	Biology (Out of 150)	English (Out of 100)	Hindi (Out of 75)
Ram	117	90	196	126	81	57
Akil	93	84	178	111	79	33
Ragu	111	66	150	123	68	54
Jeyashree	135	102	188	102	70	63
Bharathi	132	108	156	135	67	57

 

Answer a

Total marks scored by Ram = 117 + 90 + 196 + 126 + 81 + 57 = 667

17. Answer d

Required % =[(178+111)/(156+135)] = (289/291)*100 = 99.31 = 100 %

18. Answer c

Total marks scored by all the students in Maths,

= > 196 + 178 + 150 + 188 + 156 = 868

Total marks scored by all the students in Chemistry,

= > 90 + 84 + 66 + 102 + 108 = 450

Required ratio = 868: 450 = 434: 225

19. Answer e

Ram = 661

Akil = 578

Ragu = 572

Jeyashree = 660

Bharathi = 655

Ram get a highest total marks.

20. Answer d

Total marks scored by Akil in all the subject is,

= > 93 + 84 + 178 + 111 + 79 + 33 = 578

The total marks scored by Ragu in all the subject is,

= > 111 + 66 + 150 + 123 + 68 + 54= 572

Required % = [(578-572)/572]*100 = 1.048 % = 1 %

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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