What will be 80% of a number whose 200% is 90.

M4maths Previous Puzzles

12 Oct 2015 Number What will be 80% of a number whose 200% is 90.: OPtion
1) 144
2) 136
3) 172
4) 72
5) 36
6) 54
7) 96
8) 124
9) 84
10)None of these; Correct Option: 5 Best Solution (77)

Aman 9 years AGO

200% of a number is 90, so 100% of a number is 45, so 45 is 80% of a number
therefore a number is 45/80*100=3600/100
36
so option 5

Like? Yes (13) | No (2)

Vishal Kumar 9 years AGO

Ans: 36
90 is the 200% so that the number is 45.
80% of 45 is 36 so that the answer is 36.

Like? Yes (10) | No (3)

PRAGATHI G 9 years AGO

let the numb be x
2*x=90
.8*x=y
by cross multiplication y=36

Like? Yes (7) | No

Meenakshi 9 years AGO

Let the number be x
200% of x = 90
200/100 (*) x = 90
then x=45
So,80% of 45=36
answer is 36
option 5)

Like? Yes (7) | No

sudiptaa 9 years AGO

2x = 90
x = 45

80 * 45 /100 = 36

Like? Yes (6) | No

MADHUBABU 9 years AGO

2x = 90
x=45
therfore 0.8x = 0.8*45 = 36

Like? Yes (4) | No

Dwaipayan Goswami 9 years AGO

200% of a number = 90
100% of this number =(90/2) = 45
So, 10% of this number = (45/10)= 4.5
Then 80% of this number will be (4.5*8)=36.

Like? Yes (3) | No

MANUPOTI ANAND 9 years AGO

(x*200)/100=90
x=45
(45*80)/100=36

Like? Yes (3) | No

SURAN PRASAD PENKE 9 years AGO

(200/100)*X=90
X=45
80% OF X IS
(80/100)*45=36

Like? Yes (3) | No (1)

SHAIK MAHABOOB BASHA 9 years AGO

let the number be x
200% of that number be x=90
x=100/200*90=45
80% of that number =80/100*45=36

Like? Yes (4) | No (2)

SUNITEE GARIMA 9 years AGO

let the number be x
A/q,200% of x=90
or,x=45
to find 80% of x
=80% of 45
=36

Like? Yes (2) | No

karthiga 9 years AGO

Let the number be x;
200% of the number is 90;
200x/100 =90;
X = 45;
80*45 /100 = 36;

Like? Yes (2) | No

sri divya 9 years AGO

the number is same for both so first find the no. x then find 80% of that x

Like? Yes (2) | No

Ramya 9 years AGO

200% is 90
so
100% is 45
80% of 45 is 36

Like? Yes (2) | No

sheenu garg 9 years AGO

let no=x means x*200/100=90 solving x=45
thus 45*80/100=36

Like? Yes (2) | No

praveendas 9 years AGO

(200/100)*x=90
x=45.
(80/100)*45=36.
option 5

Like? Yes (2) | No (1)

rahul shaw 9 years AGO

200%=90 then
100%=45
80%of 45 is 36
option 5

Like? Yes (2) | No (1)

samita mandal 9 years AGO

let the no. be x
200% of x =90
so,x=45
80% of 45= 36
option 5

Like? Yes (2) | No (1)

Deepak kumar singh 9 years AGO

let no is x
x*200%=90
thrfr x=45
thn 45*80%=36

Like? Yes (2) | No (1)

ANKUR BAJWA 9 years AGO

suppose numberb is x
then 200% of x=90
so (200*x)/100=90
so x=45
then 80% of 45=36(ans.)

Like? Yes (1) | No

Arnab Maity 9 years AGO

200*x = 90* 100
x = 45
Now, ( 80 / 100 ) * 45 = 36
Answer : option 5

Like? Yes (1) | No

Arpan Ganguly 9 years AGO

let no is x ... 200% of x = 2x is 90..so x is 45
now 80% of x means 80% of 45 = 36
option 5 is correct

Like? Yes (1) | No

chetan 9 years AGO

Suppose the no is x.
Given that 2*x=90 then x=45.
80% of 45 is 0.8*45=36.
So Option 5 is correct.

Like? Yes (1) | No

M SEKHAR 9 years AGO

let the require number be x
so
200 % of x = 90
200/100 * x =90
x=90/2 =45
x=45
80% of the number =45* 80/100 =36
so option 5 is right one

Like? Yes (1) | No

himanshu jaiswal 9 years AGO

given 200% of any no is 90
so 90=(200*x)/100=45
so 80% of 45=45*80/100=36

Like? Yes (1) | No

ranjit 9 years AGO

No. Is (90/200)*100
80% of above no is .8*45
Ans) 36

Like? Yes (1) | No

K KRISHNA PRASAD NAIDU 9 years AGO

(200/100)*x=90
x=45
(45*80)/100=36
option 5

Like? Yes (1) | No

pushpank thakur 9 years AGO

x * 200% = 90
x= 9000/200
x = 45
45*80/100=36

Like? Yes (1) | No

DEEPAK PRASAD 9 years AGO

The 200% is 90 then 100% is 90/2=45. now the 10% is 4.5. So, 80% =4.5*8=36.

Like? Yes (1) | No

sumit kumar 9 years AGO

let no is x.
then x*200/100=90
x=45
after that 45*80/100
no is 36.

Like? Yes (1) | No

Chandrajeet Yadav 9 years AGO

let the required number is x
x*(200/100) = 2x
but 2x = 90
so x = 45
x * (80/100) = 45 * (0.8) = 36.0

So correct Ans is option (5

Like? Yes (1) | No

Naveen Kumar 9 years AGO

100% of 90=45
so 10%=4.5
therefore 4.5*8=36
option 5 is correct

Like? Yes (1) | No

ramakrishnateja 9 years AGO

let the num be x.200% of a num is 200*x/100=90 hence x is 45. then 80%(x)=80*45/100=36.

Like? Yes (1) | No

NAVNEET PATIL 9 years AGO

200%=90
100%=45
20%=9
45-9=36

Like? Yes (1) | No

Yashi Das 9 years AGO

If 200% of a number is 90, the the number is 45.
hence, 80% of 45 is 36

Like? Yes (1) | No

Kethineni Vinodh 9 years AGO

200% is 90
100% is 45
10% is 4.5
80% is 36

Like? Yes (1) | No

ankit chavhan 9 years AGO

200/100 * x= 90
X =45

Now 45*80/100 = 36

Like? Yes (1) | No

RAJASEKHAR VALLE 9 years AGO

Let the no be X.
(200/100)X equals to 90. that is X EQUALS TO 45. Then 80% of X EQUALS to (80/100)45.Therefore the required and is 36

Like? Yes (1) | No

Dileepkumar Palli 9 years AGO

As per Question
x*200%=90
=>x=90*100/200=45
now, 80% of x is
45*80/100=36

Like? Yes (1) | No

Pintu Kumar 9 years AGO

let no is X.
x=(200*90)/100
X=180
hence 80% of 180 will be
=(180*80)/100
=144
hence X=180-144=36

Like? Yes (1) | No

rohit gandupalli 9 years AGO

2x=90
x=45
80%(x)=4/5*(45)
=36

Like? Yes (1) | No

Sai Kiran B 9 years AGO

200% is 90 : number will be 90
100 % of 90 is 45
45/100 * 80= 36

Like? Yes (1) | No

CHANDAN KUMAR 9 years AGO

let the no. be x
(200 *x)/100 =90
x=45

according to que,
(45 *80)/100 =36
hence , the correct option is 5) 36 .

Like? Yes (1) | No

tripti dwivedi 9 years AGO

let the no. is x
200% of x=90
so,x=45
now
80% of 45=36
so 36 is the answer

Like? Yes (1) | No

krishnaveni 9 years AGO

let the number be x
given 200% of a number x is 90
x=(90*100)/200 =45
x=45
80% of 45 is= (80*45)/100
=36 is the answer

Like? Yes (1) | No

vinay Kumar 9 years AGO

200% of x=90
100% of x=45
10% of x=4.5
so 4.5*8=36 ans

Like? Yes (1) | No

vikash kumar das 9 years AGO

200x/100=90
x=45
therfore
45*80/100=36

Like? Yes (1) | No

Betanapalli Tirupathi 9 years AGO

let number be x
then x*200/100=90 we will get x=45
80%of 45 is 36

Like? Yes (1) | No

subbulakshmi 9 years AGO

200% of x=90
x=45
80% of 45=36
so ans is 36

Like? Yes (1) | No

Deepak Kumar 9 years AGO

Let be a no. x
x*200/100=90
x=45
so,
x*80/100=36

Like? Yes (1) | No

Sushant Kumar 9 years AGO

Let be a no. x
x*200/100=90
x=45
so,
x*80/100=36

Like? Yes (1) | No

Akshay Bhandakkar 9 years AGO

Let x be the number.
(200/100)*x=90.

So,x=45.

80% of 45 is (80/100)*45=36.

Like? Yes (1) | No

meghana 9 years AGO

a/c to given data
2*p=90
p=45
so
80% of 45 is 36

Like? Yes (1) | No

monica anandhan 9 years AGO

2X/100=90
x=4500
80%=0.8x/100
0.8*4500/100=36

Like? Yes (1) | No

Hetain Chopra 9 years AGO

200/100*x=90
x=45
So 80% of 45 = 36
Hence answer will be 36

Like? Yes (1) | No

karthik hariharan 9 years AGO

num is X
200% of X is equal to 90
that is 2X=90
therefore X=45
and,
80% of x is equal to.......
45*(80/100)=36
that is option 5

Like? Yes (1) | No

YASWANTH REDDY 9 years AGO

let the number be x and given that 200% of x = 90.
Therefore x = 45 and 80% of x = 0.8*45 = 36

Like? Yes (1) | No

ABHINAV KUMAR 9 years AGO

Let the number be X, 200/100 * X= 90, calculate X, which will be 45, then 80% * 45 = 36 the answer.

Like? Yes (1) | No

Chandra chur anand 9 years AGO

200*x/100=90
so x=45

80% of 45=36
ans :- 5)

Like? Yes (1) | No

UJJWAL KAMAR 9 years AGO

Let the no be X
2X= 90
X= 45
Now X's 80% is 4X/5
Which is equal to 36

Like? Yes (1) | No

NAGA BABU 9 years AGO

100%=45
nd 10%=4.5
20%=9
80%=36

Like? Yes (1) | No

hemakshi 9 years AGO

200% of x = 90 so solving for x gives x=45 .dn 80% of 45 is 36

Like? Yes (1) | No

Asif Ahmed Khan 9 years AGO

200% of a number is 90 then 100% of these number is 45..so 36 is the 80% of these number

Like? Yes (1) | No

shreya chaudhary 9 years AGO

If 200% of a number is 90, the the number is 45.
hence, 80% of 45 is 36

Like? Yes (1) | No

chandan kumar mania 9 years AGO

200 % ----- 90
1%------- 90/200
80%------===9/20 *80==36

Like? Yes (1) | No

GAJJALA LAKSHMI SRIJA 9 years AGO

The 200% of a number consider x is 90=(200/100)*x=90
Hence x=45
80% of a number=80% of x=(80/100)*45=36.

Like? Yes (1) | No

Devendra singh 9 years AGO

x*200/100=90
by this x=45
then 80% of 45 is 36
so answer is 36

Like? Yes (1) | No

suraj 9 years AGO

200% of X=90
X=45
so, 45*80%
=36

Like? Yes (1) | No

Naveen 9 years AGO

200% of 4.5 is 90, therefore 1% is 4.5 . which means 80% of 4.5 is 36

Like? Yes (1) | No

harish 9 years AGO

200*X/100=45

45*80/100=36

Like? Yes (1) | No

m.sai charan 9 years AGO

2-----90
.8------x
x=.8*90/2
x=36

Like? Yes (1) | No

Mallikarjuna Reddy 9 years AGO

200% of a number is 90=>100% is 45
the number is 45
80% of 45 is 36

Like? Yes (1) | No

krishna 9 years AGO

200 90
100 45
80 ?
8*4.5 36

Like? Yes (1) | No

lavanya lahari 9 years AGO

let x be the number...
200% of x is 90
(200/100)�x=90

x=9000/200=45
80% of x will be 80�45/100=36

Like? Yes (1) | No

Devendra Marghade 9 years AGO

Number is 90*100/200=45
So its 80%= 45*80/100=36
Option 5)

Like? Yes (1) | No (1)

Vaithiyanaathan 9 years AGO

200 %=90
100%=45
80%= (80/100) *45
=36

Like? Yes (1) | No (1)

ABHINAV PUSHPAM 9 years AGO

200% of x = 90
x= 90/2 = 45
Now, 80 % of 45 = 36
Option 5)

Like? Yes (2) | No (2)

Dimple

India

Punjab

Time: 00:01:33

Points

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What will be 80% of a number whose 200% is 90.

M4maths Previous Puzzles

12 Oct 2015 Number