# “20-20” Quantitative Aptitude | Crack SBI Clerk / IDBI Executive 2018 Day-65

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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 / IDBI Executive 2018 . Aspirants those who are preparing for the exams can use this “20-20” Quantitative Aptitude Questions.

“20-20” Aptitude Questions | Crack SBI Clerk / IDBI Executive 2018 Day-65

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

1. 45 % of 1449.75 + 27 % of 4527. 32 =? × 40 + 368
1. 52
2. 64
3. 38
4. 26
5. 45
1. 6 1/5 of 194.75 + 2 1/8 of 2431.67 =? % of 739.85
1. 815
2. 950
3. 769
4. 860
5. 540
1. [(37.75)2 – (20.57)2]/? = (52.26)2 + (16.97)2
1. ¼
2. ½
3. 3/5
4. 1/3
5. 3/4
1. (662.672 + 1157.325 – 516.72) ÷ 24.65 =?
1. 45
2. 52
3. 36
4. 27
5. 58
1. (√575 × 23) ÷ (15.78) =? × 16
1. 2
2. 4
3. 6
4. 8
5. 5

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

1. 107, 322, 969, 2912, ?
1. 5875
2. 8743
3. 6891
4. 7457
5. 4983
1. 182, 622, 842, 952, ?
1. 1982
2. 1844
3. 1686
4. 1007
5. 1253
1. 207, 225, 245, 268, 276, 311, ?
1. 388
2. 400
3. 357
4. 436
5. 392
1. 796, 399, 136, 39,?
1. 14.8
2. 11.2
3. 15.6
4. 13.4
5. 12.8
1. 128, 134, 146, 164,?
1. 196
2. 188
3. 174
4. 202
5. 214

1. A started business with Rs. 60000 and B joined him after certain number of months with a capital of Rs 40000. At the end of a year, the profit is divided in the ratio of 2:1. When did B join?
1. 6 months
2. 7 months
3. 5 months
4. 3 months
5. None of these
1. If the difference between the simple interest and Compound interest on a certain sum for 2 years at 8 % is Rs. 51.20. Find the sum?
1. 8000
2. 9500
3. 6500
4. 7000
5. 11000
1. The average marks obtained by 50 students in a certain examination are 22. The average marks of passed students is 28 and the average marks of failed students is 8. Then find the total no of passed students?
1. 25
2. 30
3. 20
4. 35
5. 40
1. A, B and C started a business in the ratio 3:2:5. If 20% of total profit goes to the charity and C’s share is 15,500, find the share of A if there was no charity?
1. 11625
2. 34129
3. 68432
4. 67212
5. None of these
1. A can complete 2/3 of the work in 8 days. While A and B together the complete the work in 10 days, find the time required by C who is twice efficient than B?
1. 25
2. 29
3. 46
4. 30
5. None of these

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

 City Total population(In lakhs) Male : Female % of literate males % of illiterate females A 3.6 2 : 1 57 % 32 % B 5.4 4 : 5 46 % 43 % C 4.5 3 : 2 61 % 58 % D 2.2 1 : 1 72 % 46 % E 4.8 1 : 2 68 % 28 %

1. Find the total literate population in city A?
1. 198500
2. 185600
3. 218400
4. 237800
5. 274500
1. The total male population in City B and C together is approximately what percentage more/less the total female population in City A and D?
1. 122 % more
2. 108 % less
3. 108 % more
4. 122 % less
5. None of these
1. Find the ratio between the literate males in City B to that of literate females in City E?
1. 25 : 48
2. 23 : 48
3. 48 : 25
4. 38 : 23
5. None of these
1. Find the average no of female population in all five cities?
1. 195000
2. 178000
3. 206000
4. 232000
5. 164000
1. In which city has less no of illiterate female population?
1. City A
2. City C
3. City B
4. City D
5. City E

Directions (Q. 1 – 5):

(45/100)*1450 + (27/100)*4527 = 40x + 368

652.5 + 1222 – 368 = 40x

1506.5/40 = x

X = 38

6* 195 +2*2432 = (x/100)*740

1170+4864 = (x/100)*740

6034 = (x/100)*740

815 = x

[(382 – 212] / x = 522 + 172

[(38 + 21)(38 – 21)] / x = 2704 + 289

1003/x = 2993

X = 1/3

(663 + 1157 – 517) / 25 = x

X = 1303/25 = 52

(24 * 23) / 16 = 16x

X = (24*23)/(16*16) = 2

Directions (Q. 6 – 10):

The pattern is, *3 +1, *3 +3, *3 +5, *3 +7,..

The pattern is, difference of two numbers ÷ 2

The difference of difference is, 2, 3, 5, 7, 11, 13(Prime no’s)

The pattern is, ÷ 2 + 1, ÷ 3 + 3, ÷ 4 + 5, ÷ 5 + 7,..

The pattern is, +(1*6), +(2*6), +(3*6), +(4*6),..

The ratio of share of A and B = [(60000*12) : (40000*x)]

The profits divided in the ratio of 2 : 1,

According to the question,

(60000*12) / (40000*x) = 2/1

36/4x = 2/1

X = 9 months

Required months = 12-9 = 3 months

Diff = Sum*(r/100)2

51.20 = Sum*(8/100)2

51.20*100*100/64 = Sum

Sum = 8000

Let passed students be x,

According to the question,

50*22 = 28*x + 8(50-x)

1100 = 28x + 400 – 8x

700 = 20x

X = 700/20 = 35

Total no of passed students = 35

C’s share= 15500

Profit distributed among A, B, C =15500/5*10= 31000

Total profit= 31000/80*100= 38750

A’s share if no charity was given= 38750*3/10= Rs 11625

Let the time required by A be x

Time required by A

= > 2/3*x=8

= > x= 12 days

A=12

A+B=10

Unit of work done by A in one day= 5

Unit of work done by B in one day=1

Unit of work done by C in one day= 2(twice of B)

Time required by C= 60/2=30 days.

Directions (Q. 16 – 20)

Total male and female population is,

= > 2.4 lakhs and 1.2 lakhs

The total literate population in city A,

= > 240000*(57/100) + 120000*(68/100)

= > 136800 + 81600 = 218400

The total male population in City B and C,

= > [(5.4/9)*4 + (4.5/5)*3] lakhs

= > 2.4 + 2.7 = 5.1 lakhs

The total female population in City A and D,

= > [(3.6/3)*1 + (2.2/2)*1] lakhs

= > 1.2 + 1.1 = 2.3 lakhs

Required % = [(5.1 – 2.3)/2.3]*100 = 121.739 % = 122 % more

Total male population in city B = (5.4/9)*4 = 2.4 lakhs

The total no of literate males in City B,

= > 240000*(46/100) = 110400

Total female population in city E = (4.8/3)*2 = 3.2 lakhs

The total no of literate females in City E,

= > 320000*(72/100) = 230400

Required ratio = 110400 : 230400 = 1104 : 2304 = 23 : 48

Total no of female population in all five cities are,

= > (3.6/3)*1 + (5.4/9)*5 + (4.5/5)*2 + (2.2/2)*1 + (4.8/3)*2

= > 1.2 + 3 + 1.8 + 1.1 + 3.2 = 10.3 lakhs

Average = 1030000/5 = 206000

City A = 120000*(32/100) = 38400

City B = 300000*(43/100) = 129000

City C = 180000*(58/100) = 104400

City D = 110000*(46/100) = 50600

City E = 320000*(28/100) = 89600

So, City A has less no of illiterate female population.

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 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