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Quant practice set 21 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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Directions (1-15): What will come in place of question mark in the following number series?
Q1. 495, 485, 465, 425, 345, ?
(a) 195
(b) 165
(c) 185
(d) 175
(e) 285
Q2. 16, 22, 33, 49, 70, ?
(a) 95
(b) 96
(c) 85
(d) 91
(e) 106
Q3. 32, 36, 52, 88, 152, ?
(a) 266
(b) 252
(c) 422
(d) 256
(e) 225
Q4. 13, 27, 55, 97, 153, ?
(a) 243
(b) 265
(c) 215
(d) 223
(e) 232
Q5. 3, 4, 10, 33, 136, ?
(a) 903
(b) 822
(c) 685
(d) 548
(e) 658
Q6. 3, 5, 19, 101, 715, ?
(a) 6445
(b) 6645
(c) 6544
(d) 6050
(e) 6500
Q7. 131, 144, 170, 209, 261, ?
(a) 320
(b) 326
(c) 330
(d) 345
(e) 350
Q8. 380, 465, 557, 656, 762, ?, 995
(a) 855
(b) 915
(c) 875
(d) 895
(e) 890
Q9. 12, 12, 18, 45, 180, 1080, ?
(a) 9285
(b) 9530
(c) 9170
(d) 9180
(e) 9810
Q10.  ?, 61, 211, 505, 991, 1717
(a) 6
(b) 5
(c) 8
(d) 7
(e) 9


Directions (11-15) : What will come in place of the ‘x’ in the following questions
Q11. 24% of 480 + 30% of 270 + 48% of 10 = x
(a) 190
(b) 195
(c) 198
(d) 201
(e) 205
Q12. √361 ×4/38 𝑜𝑓 26 + 1024 × 5 ÷ 4 = 𝑥
(a) 1261
(b) 1332
(c) 1164
(d) 1020
(e) 1380
Q13. x% of 360 ÷ 72 + 28% of 625 =
2/7of 315
(a) 1600
(b) -1700
(c) 1800
(d) -1750
(e) 1850
Q14. 841 ÷ 116 × 4 + 256 √𝑥 = 1082 ÷ 2
(a) 4
(b) 9
(c) 16
(d) 25
(e) 36
Q15. 68 × 24 – 2% of 1600 = x²
(a) 36
(b) 38
(c) 32
(d) 29
(e) 40

SOLUTIONS

1.





2.





3.






4.






5. Ans.(c)
Sol. Pattern is ×1+1, ×2+2, ×3+3, ×4+4, ×5+5
∴ ? = 136×5+5
 = 685

6.Ans.(a)
Sol.
Series is ×1+2, ×3+4, ×5+6, ×7+8, ×9+10 ….
∴ ? = 715 × 9 + 10
= 6445

7.Ans.(b)
Sol.
Series is +13, +26, +39, +52, +65
∴ ? = 261 + 65 = 326

8.






9.Ans.(d)
Sol. ×1, ×1.5, ×2.5, ×4………
so, ? = 1080 × 8.5 = 9180

10.











11.S11. Ans.(d)
Sol.
24/100
× 480 +30/100× 270 +48/100× 10 = 𝑥
𝑥 = 24 × 4.8 + 3 × 27 + 4.8`
𝑥 = 115.2 + 81 + 4.8
X=201

12.S12. Ans.(b)
Sol.
𝑥 = 19 ×4/38× 26 +(1024 × 5)/4
𝑥 = 4 × 13 + 1280
𝑥 = 133

13.






14.S14. Ans.(a)
Sol.
841/116× 4 + 256√𝑥 = 541
841/29 + 256√𝑥 = 541
256√𝑥 = 541 − 29
256√𝑥 = 512
√𝑥 = 2
x= 4

S15. Ans.(e)
Sol.
68 × 24 −20/100
× 1600 = 𝑥²
𝑥 ²= 1632 − 32
𝑥 = 40