Question

If three numbers are in the ratio 3:2:1, and half the sum is 72, then the square of the smallest of the three number is
a) 576
b) 24
c) 2304
d) 72​

Answer 1

Answer:

Explanation:

The numbers

3

,

5

and

7

are in the ratio

3

:

5

:

7

, but their sum is just

3

+

5

+

7

=

15

.

So to get a sum of

840

, multiply through by

840

15

=

56

to get:

168

,

280

and

392

Answer 2

Answer:

6x is equal to 144 x is equal to 24 ....... then the 24×24 is your answer