Question

Nidhi bought a ring for RS 8000 and sold it to the gold Smith for loss of 30%.the gold Smith sold it at a profit of 20%.what was the selling price of gold Smith.
(a) RS 7200
(b) Rs 6700
(c) Rs 6720
(d) Rs 7000

Answer 1

(c)Rs.6720
first we calculate the selling price of nidhi and then we calculate the selling price of the goldsmith. this can be done easily through cross's multiplication.

please mark as brainlist

Answer 2

30% of 8000= 8000×30/100= 2400
Sold by nidhi to Smith= 8000-2400= 5600
second condition,
20%of 5600= 5600×20/100= 1120
Sold by Smith at a profit of 20% = 5600+1120= 6720..