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August 23, 2015

Solutions for Aptitude Practice Test (IBPS)

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Friends, here are the solutions for the post Aptitude Practice Test for IBPS Bank Exams. Please check the post from here and try to solve it on your own before checking these solutions. All the Best :)

1. From I, difference b/w SI & CI for 2 years is
(P x R2)÷ 1002  => (28000 x R2 )÷ (100*100) =1120 
=> R2 = 400 => R = 20%
From II, In 5 years, 100% interest and in 1 year 20%

2. From I, we can get Perimeter
From II, Cost to calculate
Both are required to get the answer

3. We can't get anything From I
From II, 55% is 1584 
100% is (100÷54)*1584 = 2880 
Only II is sufficient

4. Both are not sufficient as length of the train is not given.

5. From I, B is the youngest person
From II, A is younger to C.
From both the statements, it is clear that C is the eldest.

6. 11÷ 20 of 7% of 48% of 200000 = 3696

7. Qualified male candidates from B = (3÷ 5) of 18% of 61% of 200000 = 13176 
Qualified male candidates from D = (3÷ 5) of 23% of 45% 200000 = 12420 
The ratio = 122 : 115
Shortcut:  (3÷ 5) of 18% of 61% of 200000 :  (3÷ 5) of 23% of 45% 200000 
=>18 x 61 : 23 x 45 = 122 : 115

8. Number of candidates qualified from D = 23% of 45% of 200000 = 20700
Number of female candidates =  (2÷ 5) of 20700 = 8280
Number of candidates qualified from E = 12% of 65% of 200000 = 15600
Number of female candidates =  (7÷ 12) of 15600 = 9100
Number of candidates qualified from F = 19% of 57% of 200000 = 21660
Number of female candidates = (7÷ 15) of 21660 = 10108
Required % 
=((8280 + 9100 + 10108  x 100)÷ (20700 + 15600 + 21660))*100=47.42%

9. Number of male candidates qualified from
A = (4÷ 5) of 15% of 49% of 200000 = 11760 
Number of male candidates qualified from
C = (5÷ 8) of 6% of 54% of 200000 = 4050
Required number = 11760 + 4050 = 15810

10. Number of candidates from
A = 15% of 200000 = 30000
Number of candidates not qualified from
A = 51% of 30000 = 15300
Number of candidates from
B = 18% of 200000 = 36000
Number of candidates not qualified from
B = 39% of 36000 = 14040
Required % = ((15300 + 14040) ÷(30000 + 36000)) *100 = 44.45 

11. 6615 ÷ 4.5 = 1470
1470 ÷ 4 = 367.5
367.5 ÷ 3.5 = 105
105 ÷3 = 35
35 ÷ 2.5 = 14
14 ÷ 2 = 7
10% of 367.5 + ? = 50 => ? = 13.25

12. 17 * 1 + 12 = 18
18 * 2 +22 = 40
40 * 3 + 32 = 129
129 * 4 +42= 532
532 * 5 +52 = 2685
2685 * 6 + 62 = 16146
16146 ÷32+ ? = 2000 =>? = 206

13. 2 * 2.5 = 5
5 * 3 = 15
15 * 2.5 = 37.5
37.5 * 3 = 112.5
112.5 *2.5 = 281.25
281.25 * 3 = 843.75
(843.75 * 4 - 11) = 58

14. 365 - 61 = 304
304 - 59 = 245
245 - 57 = 188
188 - 55 = 133
133 - 53 = 80
80 - 51 =29
245 + (1936) = ?2 
=>? = 17

15. 32 * 3 = 96
96 - 5 = 91
91 * 3 = 273
273 - 5 = 268...
R = 96 
((96÷ 2)+16) = 8

16. r2h ÷  2πrh ) = (924 ÷ 264) => r = 7
2πrh = 264 => 2 * (22÷7) * 7 *  h = 264 => h = 6

17. Expenditure = Income - Saving
Let the incomes be 5x and 3x
∴ (5x - 2600)÷(3x - 1800) =  (9÷ 5)
=>  x =1600 
Their incomes are Rs.8,000, Rs.4,800

18. 12.5% = 2.5 kg
Then 100% is (100÷12.5) * 2.5 = 20 kg
Reduced price is (100÷ 20)= Rs.5

19. ((34÷100)* 320) + ((?÷ 100)*460) = 237.6 
  ?= ( (237.6 - 108.8)÷ 4.6) = 28


20. ((35 * 35) ÷  7) + √(?) = 224 
=> √(?) = 224 - 175 = 49 
=>?= 492 = 2401

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