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QUANT PRACTICE SET 29 FOR SBI PO PRELIM 2020

QUANT PRACTICE SET 29 FOR SBI PO PRELIM 2020


SBI Clerk and SBI PO Prelims exam are going to be held in the upcoming months. We have already provided you with the PDFs of many topics of Quantitative Aptitude like Simplification/Approximation, Number Series,datainterpretation.important Arithmetic questions to prepare for SBI Clerk and PO Pre exam. Practicing these questions will help you to know about the level of the questions. To increase your speed and accuracy, enhance your calculations.

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                           START TEST


Study the following pie-chart and answer 
the following questions.













1. 25 percent of the number of faculties in Medical department is females. What is the number of male faculty in Medical
department
A) 1018 B) 1016
C) 1036 D) 1028
E) None of these

2. One-third of the number of faculty of Architecture department has left. What is the number of remaining faculty in Architecture department?
A) 678 B) 1248
C) 648 D) 1296
E) None of these

3. Difference between the total number of faculties in Management and Education department together and the number of faculties in Engineering department is exactly equal to number of faculties 
of which department?
A) Architecture B) Architecture
C) Biotechnology D) Engineering
E) None

4. Number of faculties is Engineering department is approximately what percentage of total number of faculties is Management and Architecture 
departments together?
A) 21 B) 29
C) 39 D) 35
E) 25

5. What is the average number of faculties in Medical, Education, and Biotechnology departments 
together?
A) 1028 B) 1040
C) 1008 D) 1080
E) None of these

6. What should come in place of question mark ‘?’ in the following series?
33, 62, 207, 262, 669,?
A) 702 B) 602
C) 606 D) 789
E) 700

7. What should come in place of question mark ‘?’ in the following series?
40, 24, 40, 104, (?), 1660
A) 835 B) 368
C) 308 D) 665
E) None of these

8. What should come in place of question mark ‘?’ in the following series?
46, 187, 284, 345, 378, (?)
A) 377 B) 372
C) 355 D) 391
E) None of these

9. What should come in place of question mark ‘?’ in the following series?
11, ?, 33, 47, 63
A) 41 B) 31
C) 36 D) 21
E) 11

10. What should come in place of ‘?’ in the following number series?
18, 48, 73, 94, 112, ?
A) 130 B) 129
C) 128 D) 132
E) 142







SOLUTIONS:

1.Given,
Total number of faculties = 7200
19% of total faculties are from medical department
∴ Total number of Medical faculties = (19/100) × 7200 = 1368
Given, 25% of Medical faculties are female.
∴ 75% of Medical faculties are male.
Total number of male Medical faculties = 75% of 1368
∴ Total number of male Medical faculties = 0.75 × 1368 = 1026

2.
Total number of faculties = 7200
27% of Total faculties are from Architecture department.
Total number of Architecture faculties = (27/100) × 7200 = 1944
Given, One-third of the number of faculty of Architecture department has left.
Thus, 2/3rd of the number of faculty of Architecture department remains.
∴ Total number of faculty = 2/3*1944 =1296

3.
Given,
% Total number of faculties in Management and Education department together = (16 + 11) %
= 27%
% of number of faculties in Engineering department = 15%
Difference between the % of total number of faculties in Management and Education department together and the % 
of number of faculties in Engineering department = (27 – 15)% = 12%
This is equal to the % of the number of faculties in Biotechnology department
As, base of all the percentages is same.
∴ Difference between the total number of faculties in Management and Education department together and the 
number of faculties in Engineering department is exactly equal to number of faculties of Biotechnology department.

4.
% of Number of faculties is Engineering department = 15%
% of total number of faculties is Management and Architecture departments together = (16 + 27) % = 43%
% of Number of faculties is Engineering department to the total number of faculties is Management and Architecture
=15/43*100
= 34.88% ≈≈ 35%

5.
% of number of faculties in Medical, Education, and Biotechnology departments together = (19 + 11 + 12)% = 42%
Number of faculties in Medical, Education, and Biotechnology departments together = (42/100) × 7200 = 3024
∴ Average number of faculties in Medical, Education, and Biotechnology departments together = 3024/3 = 1008

6.
The series follow the following logic
(3 + 23) × 3 = 33
(4 + 33) × 2 = 62
(5 + 43) × 3 = 207
(6 + 53) × 2 = 262
(7 + 63) × 3 = 669
Next term
(8 + 73) × 2 = 702

7.
40 × 0.5 + 4 = 24
24 × 1.5 + 4 = 40
40 × 2.5 + 4 = 104
104 × 3.5 + 4 = (368)
368 × 4.5 + 4 = 1660

8.
The pattern of the series can be judged by the logical sequence given below:
46 187 284 345 378 (391)
+141 +97 +61 +33 +13
-44 -36 -28 -20
+8 +8 +8

Key note: Difference or addition of numbers in multiple rows is majorly used in the number series questions.

9.
32 + 2 = 11
42 + 5 = 21
52 + 8 = 33
62 + 11 = 47
72 + 14 = 63

10.
48 - 18 = 30
73 - 48 = 25
94 - 73 = 21
112 - 94 = 18
? = 112 + 16 = 128