A number when multiplied by 10 becomes 5 times the number obtained by adding 10 in the number. Th

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10 Aug 2010 Fine the number

A number when multiplied by 10 becomes 5 times the number obtained by adding 10 in the number. The number is?

OPtion

1) 11
2) 10
3) 12
4) 15
5) 17
6) 20
7) 25
8) 30
9) 16
10) 8

Solution

x.10 = 5.(10+x)
x.10 = 50 + 5x
5x = 50
X = 10

Correct Option: 2 Best Solution (18)

~Sandeep~   13 years AGO

10x = 5(x+10) => x = 10

Like? Yes (1) | No   

Dr.Dipin Singh   13 years AGO

A number when multiplied by 10 becomes 5 times the number obtained by adding 10 in the number.
10*x= 5*(x+10); x=10

Like? Yes (1) | No   

BIKRAM SINGH   13 years AGO

Let the number be x.
So, 10x= 5(x+10)
or, 10x-5x= 50
or, 5x=50
or, x=10..... Option 2)

Like? Yes (1) | No   

sanjay   13 years AGO

Let the number be x.
So, 10x= 5(x+10)
or, 10x-5x= 50
or, 5x=50
or, x=10..... Option 2)

Like? Yes (1) | No   

aparna   13 years AGO

Let the number be x.
So, 10x= 5(x+10)
or, 10x-5x= 50
or, 5x=50
or, x=10..... Option 2)

Like? Yes (1) | No   

sanjib biswas   13 years AGO

Let the number be x.
So, 10x= 5(x+10)
or, 10x-5x= 50
or, 5x=50
or, x=10..... Option 2)

Like? Yes (1) | No   

TAPAN SINGHA   13 years AGO

Let the number be x.
So, 10x= 5(x+10)
or, 10x-5x= 50
or, 5x=50
or, x=10..... Option 2)

Like? Yes (1) | No   

kamal   13 years AGO

Let the number be x.
So, 10x= 5(x+10)
or, 10x-5x= 50
or, 5x=50
or, x=10..... Option 2)

Like? Yes (1) | No   

Prabir Sen   13 years AGO

Let the number be x.
So, 10x= 5(x+10)
or, 10x-5x= 50
or, 5x=50
or, x=10..... Option 2)

Like? Yes (1) | No   

karthikeyan.a   13 years AGO

x=50/5=10

Like? Yes (1) | No   

Arneet   13 years AGO

If N is the number, then
N*10= 5(N+10) or 10N=5N+50

or 5N=50; N=10

Like? Yes (1) | No   

Sukham   13 years AGO

N*10= 5(N+10) means 10N=5N+50

Hence 5N=50; N=10

Like? Yes (1) | No   

S.Ganesh Kumar   13 years AGO

let the no is: x

10x = 5(x+10)
10x=5x+50
5x=50

x=10

The option is 2.

Like? Yes (1) | No   

PADMASHREE   13 years AGO

10*x=5(x+10)
10x=5x+50
5x=50 x=10, therefore option(2)

Like? Yes (1) | No   

bharti   13 years AGO

let d numbr be x..
dn ATQ
10x=5(x+10)
10x=5x+50
5x=50
x=10.....answer

Like? Yes (1) | No   

Achelal Sharma   13 years AGO

10x=5(x+10)
x=10

Like? Yes (1) | No   

YadeeshKumar   13 years AGO

let the number be x
therefore
x*10=5(x+10)
10x=5x+50
5x=50
x=10

Like? Yes (1) | No   

A J V   13 years AGO

the given number is x
x*10=5(x+10)
10x-5x=50
and x=10

Like? Yes (1) | No