Quantitative Aptitude - 43 | SBI Clerk

Directions (Q.1 - 5): What should come in place of question mark (?) in the following questions?

1. 193.261 + 275.373 + 136.93 + 17.229 = ?
a) 723.793
b) 622.793
c) 632.673
d) 593.603
e) 713.683

2. [(43)^37 * (43)^-41] / (43)^-6 = ?
a) 1849
b) 2139
c) 79507
d) 43
e) None of these

3. (53.7)^2 - (43.6)^2 = ?
a) 970.73
b) 943.71
c) 952.33
d) 982.73
e) None of these

4. 52 * 7 * ? = 4004
a) 17
b) 13
c) 11
d) 9
e) None of these

5. 76% of 112 - 42% of 116 = ?
a) 38.12
b) 36.40
c) 38.22
d) 42.60
e) None of these

Directions (Q.6 - 10): Find out the wrong number in the following number series.

6. 12   25   52    55   57   115   117
a) 55
b) 117
c) 25
d) 52
e) None of these

7. 2478   819   257   84   24   6    1
a) 257
b) 24
c) 6
d) 819
e) 1

8. 2   3   6   15   45   160   630
a) 45
b) 630
c) 6
d) 3
e) 160

9. 199   176   195   180   190   184   187
a) 180
b) 190
c) 184
d) 187
e) 199

10. 1   5   2   30   28   2620
a) 5
b) 2620
c) 28
d) 30
e) 2

Answers:

1. (b)
2. (a)
3. (d)
4. (c)
5. (b)
6. (d):  The series is, *2+1, *1+2 alternately.
7. (a): The series is, /3 - 7, /3 - 6, /3 - 5, ....
8. (e): The series is, *1.5, *2, *2.5, *3, ....
9. (b): The series is, -23, +19, -15, +11, -7, +3, ....
10. (c): The series is, *1^2 + 4, *2 - 8, *3^2+12, *4-16, ....