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Quantitative Aptitude Quiz For SBI PO Prelims 2022- 23nd October

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

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Directions (6-10): Given below bar chart shows percentage distribution of six different brands of TV’s sold by an electronic store in the year 2017. Read the data carefully and answer the following questions:
Total TV’s sold = 7200

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Q6. Total TV’s of SONY & ONIDA brand sold together is what percent less than total TV’s of MI brand sold?
(a) 16%
(b) 18%
(c) 10%
(d) 12%
(e) 14%
Q7. Find the difference between average number of TV’s of ONIDA & TOSIBA brand sold and average numbers of TV’s of LG & SONY brand sold?
(a) 140
(b) 120
(c) 100
(d) 160
(e) 180
Q8. If ratio between total LED TV’s and LCD TV’s sold by SAMSUNG is 5 : 7 and that of by MI is 4 : 5. Then find difference between total LED TV’s sold and total LCD TV’s sold of both brands by store (both store sold only two types of TV’s i.e. LED & LCD)?
(a) 488
(b) 512
(c) 428
(d) 568
(e) 620
Q9. Find the ratio between total TV’s of LG & ONIDA brands sold together to total TV’s of SAMSUNG & SONY brands sold together?
(a) 18 : 13
(b) 13 : 18
(c) 13 : 21
(d) 21 : 13
(e) 13 : 17
Q10. Total number of TV’s of LG brands sold are what percent more than the total number of TV’s of TOSIBA brand sold?
(a) 25 (1/13)%
(b) 27 (1/13)%
(c) 23 (1/13)%
(d) 24 (1/13)%
(e) 26 (1/13)%

Directions (11-15): Find the wrong number in the following number series.
Q11. 3036, 505, 100, 24, 7, 5, 1.5
(a) 5
(b) 24
(c) 505
(d) 3036
(e) 100
Q12. 120120, 9240, 840, 125, 24, 8, 4
(a) 8
(b) 4
(c) 120120
(d) 125
(e) 840.
Q13. 1050, 1026, 990, 942, 882, 812, 726
(a) 1050
(b) 812
(c) 1026
(d) 990
(e) 726
Q14. 30, 16, 20, 39, 96, 260, 816
(a) 30
(b) 16
(c) 816
(d) 39
(e) 96
Q15. 19, 24, 33, 43, 55, 69, 85
(a) 24
(b) 19
(c) 33
(d) 55
(e) 85

Solutions

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S11. Ans.(a)

Sol. Wrong number = 5

Patterns of series

3036 ÷ 6 – 1 = 505

505 ÷ 5 – 1 = 100

100 ÷ 4 – 1 = 24

24 ÷ 3 – 1 = 7

7 ÷ 2 – 1 = 2.5

2.5 ÷ 1 – 1 = 1.5

So, there should be 2.5 in place of 5.

S12. Ans.(d)

Sol. Wrong numbers = 125

Pattern of series

120120 ÷ 13 = 9240

9240 ÷ 11 = 840

840 ÷ 7 = 120

120 ÷ 5 = 24

24 ÷ 3 = 8

8 ÷ 2 = 4

So, there should be 120 in place of 125.

S13. Ans.(b)

Sol. Wrong Number = 812

Pattern of Series

1050 – 12×2 = 1026

1026 – 12×3 =990

990 – 12×4 = 942

942 – 12×5 = 882

882 – 12×6 = 810

810 – 12×7 = 726

So, there should be 810 in place of 812.

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