Question

Rishi's mother
gave him rupees245 with
which to buy New Year cards. If he got
some rupees 10cards, 2/3 as many rupees5 cards, and
1/5 as many rupees15 cards, how many of each
kind did he get?​

Answer 1

Let the no of card she boughtbe X Then equation will be 10x + 2/3x*5 +1/5X*15=245

10,5,,15 are the price of each card The equation will give the result= X-15 she bought 15 10rs cards,10 5 rs card, and 3, 15 rs cards