Solutions for Aptitude Practice Test (SBI)

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Friends, here are the solutions for the post Aptitude Practice Test for SBI 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. (πr²h ÷  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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