Question

a number when divided by 6 is diminished by 40 find the number

Answer 1

let x be the number
given x/6=x-40
x=6(x-40)
x=6x-240
x-6x=-240
-5x=-240
x=-240/-5=48

Answer 2

let the number be x
so the number divided by 6 = x/6 
Now as per the question x/6 = The number diminished by 40
Hence
x/6= x-40
Transposing
40=x-x/6
LCM of 1 and 6 is 6 
so 
40=5x/6
x=48
i hope it would help