Question

If three fifths of a number is greater than one fourth of the number by 7,th
the number is
a. 19
b) 18
c) 20
d) 12​

Answer 1

Answer:

Let the required number be 'x', then four fifths of the number =

5

4

x

And three fourths of the number =

4

3

x

It is given that

5

4

x is greater than

4

3

x by 4

⇒

5

4

x−

4

3

x=4

20

16x−15x

=4

⇒

20

x

=4 ⇒ x=80

hence the required number is 80.