A chocolate bar coasts twice as ice cream Karthik buys ` 2` chocolate bars and 1 ice cream and pays RS. `11. 50,` Find the cost of one chocolate bar and three ice creams.

If the cost of 5 ice creams is Rs. 15, find the cost of 9 ice creams.

If the cost of 2 chocolates and 3 biscuits is Rs 55 and that of 4 chocolates and 6 biscuits is Rs 110, then the costs of one chocolate and one biscuit are necessarily Rs 20 and Rs 5 respectively (True/False)

40 chocolate bars cost Rs 800. What will be the cost of 65 chocolate bars ? How many chocolate bars can we buy for Rs 1680 ?

The cost of an ice-cream cone is Rs. 1.50 more than the cost of a particularr chocolate bar. If the chocolate bar costs Rs.y, then the ice-cream cone costs

In a class ,there are 80 students ,The ratio of the number of those who like only chocolates only ice creams ,both of these ,and neither of these is 4:3:2:1.How many like utmost one of the chocolates and ice creams ?

Cost of a toffee is 50 paise and cost of a chocolate is Rs 10 .Find the ratio of the cost of a toffee to the cost of a chocolate.

Cost of a toffee is Rs. 1 and cost of a chocolate is Rs. 30. Find the ratio of the cost of a toffee to the cost of a chocolate.