The sum of a number, its fifth part and fifth part of its fifth part is 310. Number is?

M4maths Previous Puzzles

08 Sep 2010 find the number?

The sum of a number, its fifth part and fifth part of its fifth part is 310. Number is?

OPtion

1) 290
2) 270
3) 235
4) 185
5) 125
6) 230
7) 340
8) 540
9) 250
10) 190

Solution

x + (x/5) + (x/5)/5 = 310
31x/25 = 310
x = 250

Correct Option: 9 Best Solution (12)

Tridib Das   13 years AGO

Let the number be x.
Therefore,
x + x/5 + x/25 = 310
or, 31x/25 = 310
or, x = 250.

Therefore the answer is 250.

Like? Yes (2) | No   

Karthik Pandiyan   13 years AGO

let number be x.
x+x/5+(x/5)/5=310
31x/25=310
x=250

Like? Yes (1) | No   

KTP   13 years AGO

x+x/5+(x/5)/5=310
31x/25=310
x=250

Like? Yes (1) | No   

Dr.Dipin Singh   13 years AGO

x+x/5+x/25= 310 or 31x/25=310 or x=250

Like? Yes (1) | No   

~Sandeep~   13 years AGO

25x+5x+x/25 =310 =>x=250

Like? Yes (1) | No   

SUDESHNA SEN   13 years AGO

Let the number be x.
Then, x+(x/5)+(x/25)=310
or, (31/25)x=310
or, x= 250..... Option 9)

Like? Yes (1) | No   

Harigopal Chandak   13 years AGO

let x be the number
x + x/5 + x/25 = 310
31X=310*25
x=310*25/31
X=250

Like? Yes (1) | No   

Jason   13 years AGO

250+50+10= 310

Like? Yes (1) | No   

Mamon Sengupta   13 years AGO

Let the number be x.
Then, x+(x/5)+(x/25)=310
or, (31/25)x=310
or, x= 250..... Option 9)

Like? Yes (1) | No   

Trishita Dasgupta   13 years AGO

Let the number be x.
Then, x+(x/5)+(x/25)=310
or, (31/25)x=310
or, x= 250..... Option 9)

Like? Yes (1) | No   

ASHOK ROY   13 years AGO

Let the number be x.
Then, x+(x/5)+(x/25)=310
or, (31/25)x=310
or, x= 250..... Option 9)

Like? Yes (1) | No   

Soumyasmita Pathi   13 years AGO

let the sum of the number is "x"
according to question
=>x + x/5 + 1/5(x/5)=310
so value os x=250
the number is 250

Like? Yes (1) | No