Question

The product of two number is 20 and their ratio is
4:5, The
nos are.
a) 10,2
b)4,5
c)20,1
d)9,11. ​

Answer 1

Answer:

The correct answer is b) 4,5

Answer 2

$\huge{\sf{\green{\underline{\underline{\pink{Question:}}}}}}$

The product of two numbers is 20 and their ratio is 4:5. The numbers are :

A) 10,2

B) 4,5

C) 20,1

D) 9,11

$\huge{\sf{\green{\underline{\underline{\pink{Solution:}}}}}}$

Let the constant be z.

Ratio given = 4:5

==> 4z × 5z = 20

==> 20z = 20

==> z = 20/20

==> z = 1

Therefore, the numbers are :

=> 4z = 4(1) = 4

=> 5z = 5(1) = 5

=> B) 4,5 is the correct answer !

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