Question

Find the cost price , if the selling price is rupees 2721 and the profit is 20% .



Find the number whose 8 3/4 % is 70 . ​

Answer 1

Answer:

The number is 60.

Step-by-step explanation:

Let the number be X

20% of X=30% of 40

⇒

100

20

×X=

100

30

×40

⇒X=

20

30×40

=60

Therefore, the number is 60.