Question

Mahi buys marbles 3 for a rupee and sells them at 2 for a rupee, find her gain per cent​

Answer 1

Answer:

50%

Explanation:

Solution:-

given by:-

》1st case :-A man buys marble 3 for a rupee.

》1 marble price = 1/3 rupees

》3 marble cost = 1 rupee

》sells for marble 2 a rupee

》 1 marble price = 1/2 rupees

》 3 marble cost = 3/2 = 1rupee

》 gain = 3/2-1 = (3-2)/2 = 1/2

》gain percentage = (1/2×100)/1

》 50%

Answer 2

Answer:

Answer is 33 paise.

Explanation:

if he buys 3 marble for 100 paise. And sell 2 for 100 paise then.

100/3 = 33 paise per marble.

2marble =2x33=66 paise.so he gain 33 paise

hope it help you.☺️