BASE INSTITUTE – NAMAKKAL | www.ibpsguide.com SBI PO Prelims 2017 – Practice Mock Test-3 (SOLUTION KEY) QUANTITATIVE APTITUDE 1) Answer: c) 22 / 2 + 1 = 12 12 / 2 + 2 = 8 8 / 2 + 3 = 7… 2) Answer: a) 8 * 1 + 7 = 15 15 * 2 – 6 = 24 24 * 3 + 5 = 77…. 3) Answer: b) 23 + 4 = 27 27 + 4*3 = 39 39 + 4*5 = 59….. 4) Answer: b) 17 * 0.5 + 0.5 = 9 9*1–1=8 8 * 2 + 2 = 18; 18 * 4 – 4 = 68… 5) Answer: b) Difference of difference = 13 6) Answer: c) 17*40 – 60*7 = 680 – 420 = 260 7) Answer: c) 5322 + 57 – 3244 + 14 = 2149 8) Answer: c) 630/18 + 14 – 37 = 12 9) Answer: a) 31*8 – 88 – 5250 = ? ? = – 5090 10) Answer: b) 10682 – 5534 = 5148 11) Answer: d) x = 980/(7*8) = 35/2 12) Answer: c) ? = 7594 – 1028 = 6566 13) Answer: b) It can be written in a2 + b2 – 2*a*b form i.e. (a-b)2 (9.58 – 7.13) 2 = 2.452 = 6.0025 14) Answer: c) (61/100)*900 – 425 = x – (47/100)*970 x = 579.9 ≈ 580

15) Answer: c) 56/5*x = 1456, x = 130 16) Answer: e) 2x² + 10x + 8 = 0 2x² + 8x + 2x + 8 = 0 x = -0.5, - 2 2y² + 15y + 22 = 0 2y² + 4y + 11y + 22 = 0 y = -2.75, -1 Put on number line -2.75, -2, -1, -0.5 17) Answer: d) x² + 3x - 18 = 0 (x + 6) (x – 3) = 0 x = 3, -6 y² – 12y + 27 = 0 (y – 9) (y – 3) = 0 y = 9, 3 Put on number line -6, 3, 3, 9 18) Answer: e) x² = 36 x=±6 3y² – 24y + 48 = 0 3y² – 12y – 12y + 48 = 0 (3y – 12) (y – 4) = 0 y = 4/3, 4/3 Put on number line -6, 4/3, 6 19) Answer: e) 3x² -19x + 28 = 0 3x² -12x -7x + 28 = 0 x = 4, 7/3 4y2 – 23y + 30 = 0 4y2 – 15y – 8y + 3 = 0 y = 3.75, 2 Put on number line, 2, 7/3, 3.75, 4 20) Answer: a) x² - 16x + 63 = 0 (x – 9) (x – 7) = 0 x = 9, 7 5y² – 26y + 33 = 0 5y² – 11y – 15y + 33 = 0 y = 3, 2.2 Put on number line 2.2, 3, 7, 9

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BASE INSTITUTE – NAMAKKAL | www.ibpsguide.com 21) Answer: c) For 4 years, the export is more than the imports for company P; 2011, 2012, 2013 and 2016. 22) Answer: b) Let export of the company Q in 2014 = 350x import of the company Q in 2014 = 100x New import of the company Q in 2014 = 150% of 100x = 150x New Ratio = 350x/150x = 2.33 23) Answer: a) Let imports of company P in 2016 = x crore 389/x = 4 => x = 97.25 24) Answer: b) In 2005, for company P => Export / 240 = 3.5 Export of company P = 3.5 * 240 Export of company Q = 3.5 * 240/ 2 = 420 Import of company Q = 420/0.75 = 560 crore 25) Answer: e) The exports of company P minimum proportionate to its imports refers the minimum ratio. Ans: 2014 and 2015. 26) Answer: e) Required ratio = (6*175) : (7 * 130) : (5 * 154) = 15 : 13 : 11 27) Answer: b) Let the total distance be 2x. Now, x/75 + x/25=32 x = 600 Total distance = 2 * 600 = 1200 28) Answer: a) 4A = 7B = 3C A : B : C = 1/4: 1/7: 1/3 = 21: 12: 28 C’s share = 28 / (21 + 12 + 28)*5125 = 2352.46 29) Answer: d) Let CP of 225 apples = 225 SP of 150 apples = 225 But, CP of 150 apples = 150 Profit% = (225-150)/150*100=50%

Let the numerator and denominator be 4x and 7x respectively. Now, (4x + 1)/(7x - 1)=3/5 x=8 Required sum = 4x + 7x = 11x = 88 32) Answer: a) Required profit% = (1100-800)/800*100=37.5% 33) Answer: d) Required number of hours = (70*12)/55=15.27 34) Answer: a) Third Number = 86 + (86 – 79)*2 + (86 - 73)*2 = 126 35) Answer: c) Let the incomes of P and Q be 6x and 5x respectively. Now, (6x-1800)/(5x-1800)=3/2 x = 600 Income of P = 6x = 3600 REASONING ABILITY 36) Answer: c) Such numbers are 4, 2, 9 and 3. So 16 + 4 + 81 + 9 = 110 37) Answer: d) %9, &3 and U? 38) Answer: a) After changing the position of R and H, D is 7th to the left of R and * is 4th to the right of D. 39) Answer: b) A4 and E2 40) Answer: d) each sequence follows this pattern +2, -1 41) Answer: b) 195 768 345 678 213 756 195 915 42) Answer: a) 768 = second highest number 7+8 = 15

30) Answer: d) Number of ways to arrange vowels = 2! Number of ways to arrange consonants = 5! Total number of arrangements = 2! * 5! = 240

43) Answer: c) 519 876 534

31) Answer: a)

44) Answer: d) 815 778 335 3+3+5 = 11

867

321

675

868

023

676

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BASE INSTITUTE – NAMAKKAL | www.ibpsguide.com 45) Answer: b) 159 678 345

678

123

567

(Solution 46-50):

46) B 47) A 48) A 49) C 50) D

From I and III => Some plates are not cups => No cup is a plate => false No plate is a glass => No glass is a plate => true From II and III => Some glasses are not Spoons and All glasses are cups Some not + all => no conclusion so III false 64) Answer: c) From I and II => All+All = All => All Writters are Actors => some Producers are Writters => true II => no negative statement between Writtere and Director hence possibility is true III=> From I and II => All +some => no conclusion => false 65) Answer: e) From II and III =>All+ No = No => I true No Singer is a Dancer => No Dancer is a Singer and All Singers are Artists=> No + all => some not => true All Singers are Artists => Some Artists are Singers => true 66) A

(Solution 51-55):

67) D 68) B 69) B 70) A

51) A 52) C 53) D 54) B 55) A 56) D 57) D 58) A 59) B 60) E 61) Answer: c) No negative statement between Eraser and Duster, so possibility should be true All shalk is Duster => Some Duster is not shalk => false From I and II => some Duster are not Board => true 62) Answer: d) No Xerox is an Printer => All Printers are not Xeroxes => true From I and III => Some Scanners are Copies so possibility is true From I and III=> Some Scanners are Copies => Some Copies are not Xeroxes => true 63) Answer: b)

ENGLISH LANGUAGE 71) A 72) C 73) A 74) E 75) A 76) D 77) C 78) E 79) A 80) B 81) E 82) A 83) B 84) D 85) C 86) B 87) A 88) A 89) D 90) C (91-95) : D E A F C B 91) A 92) C 93) B 94) E 95) D 96) B Replace ‘appears’ with ‘appear’. 97) C Replace ‘so’ with ‘as’. 98) E No error 99) A Replace ‘spiting’ with ‘spitting’. 100) B Replace ‘heard’ with ‘listened to’.

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