Question

can you please help me​

Answer 1

Answer:

BODMAS ess formula sa solve karo xd

Step-by-step explanation:

Volume of solute= 50ml

Volume of solvent= 150ml

∴ Total volume= 150+50=200ml

Concentration=

Volume of solution

Volume of solute

×100

=

200

50

×100

=25%

Answer 2

Step-by-step explanation:

Length of class-room is two times its height and breadth is 1

2

1

times its height. The cost of white washing the walls at the rate of Rs.1.60 per m

2

is Rs.179.20. Find the cost of tiling the floor at the rate of Rs.6.75 per m

2

.