Question

three numbers are in ratio 1:2:3 . the sum of their cubes is 7776. find the numbers

Answer 1

Let the numbers be x:2+x:3+x.

x+2+x+3+x=7776

3x+6=7776

3x=7776-6

3x=7770

x=7770/3

x=2590.

Answer 2

Let the given number is Let the numbers be

x:2+x:3+x.,

x+2+x+3+x=7776,

3x+6=7776,

3x=7776-6,

3x=7770,

x=7770/3,

x=2590.

Hence the student can collect the ideas and find out the best choice for the customer to get answer for the question with given values.

Therefore the student clear ideas on reading this sum and ideas of it.