Question

1. What is the ratio in which two sugar solutions of concentrations 15% and 40% are to be mixed to get

a solution of concentration 30% ?​

Answer 1

Answer:

A) 2:3

Step-by-step explanation:

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Answer 2

Answer: Let the required ratio be  

x

:

y

.

Then,  

=>

15

x

100

+

40

y

100

=

30

(

x

+

y

)

100

⇒

15

x

+

40

y

=

30

x

+

30

y

⇒

10

y

=

15

x

⇒

x

y

=

10

15

=

2

3

⇒

x

:

y

=

2

:

3