Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-34)

Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-1)

Crack IBPS Exam 2017 - Quantitative Aptitude Scoring Part (Day-34):

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Direction (1-10): What value should come in place of question mark (?) in the following questions?
1). 1536×(256)^(1/2) × 36 = 6^3 × 8^?

1). Answer: b)
1536 × 16 × 36 = 216 × 8^?
8^? = 884736/216
8^? = 4096 = 8^4
? = 4

2). (25% of 890 + 45% of 980) ÷ 6 = ?

2). Answer: a)
222.5 + 441 = 663.5
? = 663.5/6 = 110.6

3). 1246 + (256)^(1/4) = ?^2 ÷ 50

3). Answer: c)
1246+4 = ?^2 /50
1250 = ? ^2 /50
62500 = ?^ 2
?^ 2 = 250

4). (28²×12-765)/4 = 1160+ ?

4). Answer: d)
784×12 – 765 = 9408 – 765 = 8643
8643/4 = 2160.75
? = 2160.75 – 1160 = 1000.75

5). 1(1/3) + 2(1/6) – 3(1/9) = 1 ÷ ?

5). Answer: b)
(24+39-56)/18 = 1 ÷ ?
7/18 = 1/?
? = 18/7

6). 24 ×266 ÷ 19 – ? = 312 ÷ 12

6). Answer: c)
24 × 14 – ? = 26
336 – ? = 26
? = 336 – 26 = 310

7). ? = (2.36×2.36×2.36+5.63×5.63×5.63)/[(2.36×2.36) + (5.63 × 5.63) + (5.63 × 2.36)]

7). Answer: c)
? = 191.59 / 50.55 = 3.79

8). 0.0009 ÷ 0.0003 × 49.000004 = ?

8). Answer: a)
? = 3 × 49.000004 = 147.000012

9). (16/100) × 1440 + (49/100)×549 = 100 + ?

9). Answer: a)
230.4 + 269.01 = 100 + ?
499.41 = 100 + ?
? = 399.41

10). [(729)^(1/2) + (0.0016)^½ ]/8 of 134.567 = ?

10). Answer: c)
27+0.04= 27.04/8 = 3.38
? = 3.38 × 134.567 = 454.83

Direction (11-20): What approximate value should come in place of question mark (?) in the following questions?
11). 185% of 1359 + 18.5% of 1319 = ?

11). Answer: c)
185 × 13.6 + 18.5 × 13.2 = ?
? = 2516 + 244.2
? ≈ 2760

12). √5475 ÷4.98 = ?

12). Answer: b)
? ≈ 74 /5 = 14.8
? ≈ 15

13). 118.07 × 13.49 + 169.8% of 784 = ?

13). Answer: e)
? ≈ 118 × 13.5 + 170 × 7.84
? = 1593 + 1332.8
? = 2925.8
Nearest value in options is 2930

14). 43.03 × 27.96 + 11.98 × 3√42870 = ?

14). Answer: a)
? ≈ 43 x 28 + 12 × 35
? = 1204 + 420 = 1624
? ≈ 1625

15). {(8.66)² × 13.98} ÷ √50 = ?

15). Answer: d)
? = 8.7² × 14 / 7
? = 1059.66 / 7.07 = 149.85
? ≈ 150

16).339% of 803 + 77.8 % of 1107 = ?

16). Answer: c)
? ≈ 340 × 8 + 78 × 11
? = 2720 + 858
? = 3578 ≈ 3580

17). √2300 × √240 = ?

17). Answer : d)
? ≈ 48 × 15.5
? = 744 ≈ 745

18). 14.03 × 27.489 – 8.749 × 16.04 = ?

18). Answer : b)
? ≈ 14 × 27.5 – 8.75 × 16
? = 385 – 140

? = 245 ≈ 250

19). 119.003 × 14.987 + 21.04 × 13.96 = ?

19). Answer : a)
? ≈ 119 × 15 + 21 × 14
? = 1785 + 294
? = 2079 ≈ 2080

20). 17.38% of 1557 – 21.012 × 8.97 = ?

20). Answer : b)
? ≈ 17.5× 15.6 – 21 × 9
? = 273 – 189
? = 84 ≈ 80

Direction (21 – 25): In these questions, a number series is given. Only one number is wrong which does not fit in the series. Find out the wrong number
21). 5, 7, 16, 57, 244, 1245, 7506

21). Answer: d)
The series is,
(5 * 1) + 1² = 6 ≠ 7
(6 * 2) + 2² = 16….

22). 5, 3, 4, 7.5, 17, 47, 138

22). Answer: c)
The series is,
5 * 0.5 + 0.5 = 3
3 * 1 + 1 = 4
4 * 1.5 + 1.5 = 7.5
7.5 * 2 + 2 = 17
17 * 2.5 + 2.5 = 45 ≠ 47, …

23). 3, 5, 13, 43, 178, 891, 5353

23). Answer: b)
The series is,
3 * 1 + 2 = 5
5 * 2 + 3 = 13
13 * 3 + 4 = 43
43 * 4 + 5 = 177 ≠ 178, ….

24). 972, 484, 240, 118, 56, 26.5, 11.25

24). Answer: d)
The series is
972 / 2 – 2 = 484
484 / 2 – 2 = 240
240 / 2 – 2 = 118
118 / 2 – 2 = 57 ≠ 56, …..

25). 25, 313, 457, 529, 565, 585, 592

25). Answer: e)
The series is,
25 + 9 * 32 = 313
313 + 9 * 16 = 457
457 + 9 * 8 = 529
529 + 9 * 4 = 565
565 + 9 * 2 = 583 ≠ 585,….

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:
a) If X > Y
b) If X < Y
c) If X ≥ Y
d) If X ≤ Y
e) If X = Y or relation cannot be established
26). x² – 18x + 72= 0, 5y² – 18y + 9 = 0

26). Answer: a)
x² – 18x + 72= 0
(x-12)(x-6) = 0
Gives x = 6, 12
5y² – 18y + 9 = 0
5y² – 15y – 3y + 9 = 0
Gives y = 3/5, 3
Hence, x > y

27). x² = 4, 3y² – 4y – 4 = 0

27). Answer: e)
x² = 4
Gives x = 2 , -2
3y² – 4y – 4 = 0
3y² – 6y + 2y – 4 = 0
Gives y = -2/3, 2
Hence, the relation cannot be established.

28). 6x² – 5x – 6 = 0, 2y² – 13y + 20 = 0

28). Answer: b)
6x² – 5x – 6 = 0
6x² – 9x + 4x – 6 = 0
Gives x = -2/3, 3/2
2y² – 13y + 20 = 0
2y² – 8y – 5y +20 = 0
Gives y = 4, 5/2
Therefore x < y

29). 2x² – 5x = 0, 3y² - 7y – 6 = 0

29). Answer: e)
2x² – 5x = 0
x(2x-5) = 0
Gives x = 0, 5/2
3y² – 7y – 6 = 0
3y² – 9y + 2y – 6 = 0
Gives y = -2/3, 3
Therefore, the relation cannot be established

30). 2x² + 5x + 2= 0, 2y² + 19y + 45 = 0

30). Answer: a)
2x² + 5x + 2= 0
2x² + 4x + x + 2= 0
Gives x = -1/2, -2
2y² + 19y + 45 = 0
2y² + 10y + 9y + 45 = 0
Gives y= -5, -9/2
Therefore, x > y