Questions [For NICL - AO EXAM]

Find out the approximate value which should replace the question mark(?) in the following questions. 

1.(47% of 1442-36% of 1412)/63=?
a.4      
b.5
c.3      
d.6
e.1

2.(4576+3286+5639)/(712+415+212)=?
a.18    
b.22
c.34    
d.10
e.46

3.1524.79*19.92+495.26=?
a.33000
b.78535
c.31000  
d.26575
e.34000

4.4734.96-3454.03-1612.86=?-1611.43
a.1280  
b.2290
c.1020  
d.18150
e.1040

5.(32.13)^2+(23.96)^2-(17.11)^2=?
a.1270  
b.1420
c.1450  
d.1360
e.1310

6.(9321+5406+1001)/(498+929+660)=?
a.13.5  
b.4.5
c.16.5  
d.7.5
e.None of these

What should come in the place of question mark(?) in the following question mark?

7. 4+4.44+0.4+44.04+444=?
a.497.24
b.487.66
c.496.88
d.469.88
e.None of these

8.(?)^2+(65)^2=(160)^2-(90)^2-7191
a.75    
b.77
c.79    
d.81
e.NOne of these

9.16% of 450 * ?% of 880=3168
a.6      
b.2
c.15    
d.8
e.None of these

10.Two third of three fourth of one fifth of a number is 15.what is 30 percent of that number?
a.45    
b.60
c.75    
d.30
e.None of these

11.If a number is added to seven ninth of thirty five percent of 900,the value so obtained is 325,what is the number?
a.60    
b.120
c.90    
d.180
e.None of these

12.3463*295-18611=?+5883
a.997091
b.887071
c.989090
d.899060
e.None of these

13.(21)^2-3717/59=?*8
a.43.75  
b.42.25
c.45.75  
d.47.25
e.None of these

14.(0.81)^7/(0.729)^3*(0.9)^2=(0.9)^?
a.9      
b.5
c.7      
d.3
e.None of these

15.4+1/2-2-5/6=?-1-7/12
a.13/2  
b.13/4
c.11/4  
d.11/2
e.none of these

Answers-

1.(c)
(1442*47/100-1412*36/100)/63
(677.74-508.32)/63
169.42/63
2.69=3(approx)

2.(d)
(4576+3286+5639)/(712+415+212)
13501/1339
=10(approx)

3.(C)
1525*20+495
30500+495
=31000(approx)

4.(a)
4734.96-3454.03-1612.86=?-1611.43
4734.96-3454.03-1612.86+1611.43=?
6346-5066(approx)
1280(approx)

5.(e)
(32.13)^2+(23.96)^2-(17.11)^2
1024+576-289
1311=1310(approx)

6.(d)
(9321+5406+1001)/(498+929+660)=?
15728/2087
7.5

7.(c)
4+4.44+0.4+44.04+444=496.88

8.(e)
(?)^2+(65)^2=(160)^2-(90)^2-7191
(?)^2+4225=25600-8100-7191
(?)^2=10309-4225
(?)^2=6084
(?)=78

9.(e)
450*16/100*880/100*?=3168
?*633.6=3168
?=3168/633.6
?=5

10.(a)
Let the number is x.
x*2/3*3/4*1/5=15
x=150
30% of 150=150*30/100
=45

11.(e)
Let the number is x.
x+7/9*35/100*900=325
x+245=325
x=325-245
x=80

12.(a)
3463*295-18611=?+5883
1021585-18611=?+5883
1002974-5883=?
?=997091

13.(d)
(21)^2-3717/59=?*8
441-63=?*8
378=?*8
?=378/8
47.25

14.(c)
(0.81)^7/(0.729)^3*(0.9)^2=(0.9)^?
(0.9)^14/(0.9)^9*(0.9)^2=(0.9)^?
(0.9)^7=(0.9)^?
?=7

15.(b)
4+1/2-2-5/6=?-1-7/12
?=(4-2+1)+(1/2-5/6+7/12)
3+3/12
13/4