# Aptitude Questions (Simplification) for Upcoming AAO/SO Exams

Aptitude Questions (Simplification) for Upcoming AAO/SO Exams Set-11:
Dear Readers, Important Practice Aptitude Questions for Upcoming AAO/SO Exams was given here with Solutions. Aspirants those who are preparing for the examination can use this.

Directions (Q. 1-10): What should come in the 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 ร (43)-41] / (43)-6 =?
a)    1849
b)    2139
c)    79507
d)    43
e)    None of these

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

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

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

6). (0.782)2 โ (0.218)2 = ?
a)    0.564
b)    1.128
c)    1.0
d)    2.256
e)    1.692

7). โโ(6.5536) = ?
a)    3.6
b)    3.3
c)    2.8
d)    2.6
e)    1.6

8). 783.58 + 102.93 โ 41.12 โ 9.75 = ?
a)    785.24
b)    835.64
c)    885.14
d)    912.84
e)    None of these

9). 85943 โ 71206 + 37517 โ 3512 + 119 = ?
a)    48861
b)    47641
c)    47929
d)    48781
e)    49101

10). ((84)2 โ (44)2) = (?)– 82
a)    164
b)    68
c)    72
d)    76
e)    80

1) b) 2) a)   3) d)   4) c)  5) b)   6) a)  7) e)  8) b)  9) a)  10) c)

Solutions:

3. Use a2 โ b2 = (a + b) ( a โ b)

4. 52 ร 7 = 364
:. 364 ร ? = 4004
=> ? = (4004 / 364) = 11

5. ? = [(76 ร 112) / 100)] โ [(42 ร 116) / 110)
=[(8512 โ 4872) / 100)]  = (3640 / 100) = 36.4

6. :. a2 โ b2 = (a + b) (a โ b)
:. (0.782)2 โ (0.218)2 = (0.782 + 0.218) = 0.564

7. :. (1.6)4 = 6.5536
:.โโ(6.5536 = 1.6