Simplification Questions for NICL - AO

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

Try to solve these questions as quick as possible with accuracy and dont forget to share your solving time also.

Answers will  be provided soon.

Tommorow's topic will be LCM & HCF.



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