Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-3)

Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-3):

Dear Readers, Nowadays most of the aspirants were facing huge trouble to increase the overall marks. To score high you need to practice more and more standard questions daily. “Practice does not make perfect, Only Perfect Practice makes perfect”.

Here in Scoring Part we are providing 10 Questions in simplification, 10 Questions in Approximation, 5 Questions in number Series and 5 Questions in Quadratic Equations, total 30 questions in 20 Minutes. By practicing these questions regularly you can increase you calculation speed and it will help you to increase you score.

Direction (1-10): What value should come in place of question mark (?) in the following questions?
1. 336829 – 2568 – 182639 = ?

1).? = 336829 – 185207
? =151622
Answer: C

2. 157 ÷ 5 ÷ 0.2 = ? – 12 × 1.4

2). ? – 12 × 1.4 = [157 / (5 × 0.2)] = 157
Or, ? = 157 + 16.8 = 173.8
Answer: B

3. 15 1/4 + 32 1/3 + 12 3/4 × 7 1/17 = ? + 13 1/4

3). ? + 13 1/4 = (61/4) + (97/3) + (51/4) × (120/17)
= (61/4) + (97/3) + 90 = (183+388+1080)/12 = 1651/12
Or, ?= (1651/12) - (53/4) = (1651-159)/12 = 1492/12
= 124 4/12 = 124 1/3
Answer: D

4. 3.6 ×1.5 + 4.4 × 2.5 - 1.2 × 2.8 = ?

4). ? = 3.6 × 1.5 + 4.4 × 2.5 - 1.2 × 2.8
= 5.4 + 11 - 3.36 = 16.4 - 3.36 = 13.04
Answer: A

5. 156% of 780 - 2/5 of 480 + 85% of 540=?

5). ? = 156 × 7.80 - (2/5) × 480 + 85 × 5.40
= 1216.8 – 192 + 459
= 1675.8 - 192 = 1483.8
Answer: B

6. 160 ÷ 12.5 × 4.5 + 34.2 × 3.4 = ?

6). ? = (160/12.5) × 4.5 + 34.2 × 3.4
= 12.8 × 4.5 + 34.2 × 34
= 57.6 + 1162.8 = 1220.4
Answer: A

7. 14580 ÷ 54 ÷ 12 = ?

7). ? = (14580) / (54 × 12) = 22.5
Answer: B

8. 85% of 95% of 4/5 of 2240 = ?

8).? = (85/100) × (95/100) × (4/5) × 2240
= (17 × 19 × 4 × 112) / 100
= 144704/100 = 1447.04
? = 426.4
Answer: A

9. (√77.44) × (∛884.736) = ?

9). (√77.44) = (√(7744/100)) = (88/10) = 8.8
(∛884.736 ) = (∛(884736 / 1000)) = (96/10) = 9.6
? = (8.8) × (9.6) = 84.48
Answer: B

10. (11.1) × (22.2) × (4.44) = ?

10). ? = 11.1 × 22.2 × 4.44 = 1094.1048
Answer: A

Direction (11-20): What approximate value should come in place of question mark (?) in the following questions?
11. 122 .05% of 120 + 149.99% of 150 = ?

11). 122.05% = 122% and 149.99% = 150%
Now, ? = 122% of 120 + 150% × 150
= (122 × 120/100) + (150 × 150/100) = (146.4+225)
= 371.4 ≈ 371
Answer: A

12. (9.899)^3 × (2.399)^2 × (4.005)^4 = ?

12). Given (9.899)^3 × (2.399)^2 × (4.005)^4
= (9.9)^3 × (2.4)^2 × (4)^4
= (970.299) × (5.76) × 256
= (970.3) × (5.75) × 256 = 1428281.6 ≈ 1428200 Answer: A

13. (√(121.05 )) × (√168.99) × ( ( 3√124.9899) ) = ?

13). ?= (√121.05) × (√168.99)× (∛124.9899) = (√121) × (√169) × ( ∛125)
= 11 × 13 × 5 = 715
Answer: A

14. (49.99)^2 + (59.96)^2 + (64.501)^2 = ?

14). ? = (50)^2 + (60)^2 + (64.5)^2
= 2500 + 3600 + 4160.25 = 10260
Answer: C

15. (65.001)^2 + (63.999)^2 - (48.998)^2 = ?

15).? = (65)^2 + (64)^2 - (49)2
= 4225 + 4096 - 2401
= 8321 – 2401 = 5920
Answer: C

16. 68.003 ÷ 33.489 = (?)^2 -18.79

16).(?)^2 - 18.789 = 68.003 ÷ 33.489
(?)^2 – 19 = 68/34
Or, (?)^2 = 2 +19
(?)^2 = 21
?= √21
? = 4.58 ≈ 5
Answer: E

17. 68.003 ÷ 33.489 = (?)^2 -18

17). ? = 14 × 17 + 22 × 9 = 238 + 198 = 436 ≈ 440
Answer: C

18. 20440 ÷ 639.890 = √(?)

18). √(?) = 20440 ÷ 640 = 31.99 ≈ 32
? = 32 × 32 = 1024
Answer: B

19. 279.04 × 12.546 + 65.37 × 47.08 = ? + 126.589

19). ? +126.589 = 279.04 × 12.546 + 65.37 × 47.08
? +127 = 276 × 13 + 65 × 47
? +127 = 3627 + 3055
? +127 = 6682
? = 6682 – 127
= 6555 ≈ 6550
Answer: C

20. (19.97 % of 781) + ? + (30% of 87) = 252

20).(19.97% of 781) + ? + (30% of 87) = 252
Or (20% of 780) + ? + (30 % of 87) = 252
156 + ? + 26 ≈ 252
182 + ? ≈ 252
? ≈ 252 - 182
? = 70
Answer: D

Direction (21 – 25): What value should come in place of the question mark (?) in the following number series?
21. 22, 42, 64, 88, ?

21). The series is 3² + 13 = 22, 4² + 26 = 42,
5² + 39= 64, 6² +52 = 88
? = 7² + 65 = 114
Answer: D

22. 11, 61, 299, 1189, ?

22). The sequence in the series is × 6 - 5, × 5 - 6, × 4 - 7, × 3 - 8,….
Answer: A

23. 215, 19, 163, 63, ?

23). The difference between numbers is – 14^2, +12^2, - 10^2, +8^2, …
Answer: B

24. 160, 80, 120, 300, ?

24). The sequence in the series is × 1/2, × 3/2, × 5/2, × 7/2, ...
Answer: A

25. 4, 5, 8, 15, ?

25). The series is, +1^2 – 0, +2^2 – 1, +3^2 – 2, +4^2 – 3, …
Answer: C

Direction (26-30): In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and given answer:

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