Question

if a man sells a thing for rupees 24 and the cost price is equal to the gain percentage.
find the cost price of the thing

Answer 1

Answer:

Ans -20

factor of 24 is 12&2.

Always difference is equal to 10.

Trick - 12×2 =24

difference 12-2=10

and multiply small nmbr into 10

2×10 =20