Question

1) Aliza brought a doll house for Rs,.400 and sold it for Rs 810.find her profit and profit percentage
2) sonia purhases 4 red pencills for Rs 20/and Rahila purchases 8 black pencils for Rs.40.find the ratio and the price of the two types of pencils
3) The ratio of 2 quantities is 6:13 .If the larger one is 84 , find the other.​

Answer 1

Step-by-step explanation:

1)

C.P of doll house=Rs 400

S.P of doll house=Rs 810

Profit= S.P-C.P

= Rs (810-400)

=Rs 410

Profit percentage=(Profit/C.P×100)%

=(410/400×100)%

=(205/2)%

=102.5%

2)

Sonia purchases 4 red pencils for Rs 20/

Total cost=Rs (20×4)

=Rs 80

Rahila purchases 8 black pencils for Rs 40/

Total cost= Rs (40×8)

=Rs 320

Ratio=80:320

=80/380

=1/4

=1:4