20 chocolates cost Rs 320. Find the cost of 35 such chocolates.

20 chocolates cost Rs320. Find the cost of 35 such chocolates.

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 ?

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.

14 books cost Rs 133, then find the cost of 20 books.

1 litre of petrol costs Rs 75.33. Find the cost of 35 litres of petrol.

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)

There are some chocolates with Tom and Jerry. If Tom gives certain number of chocolates to Jerry, then the number of chocolates with them will be interchanged. Instead, if Jerry gives same number of chocolates to Tom, then the number of chocolates with jerry will be one-fourth of the number of chocolates that Tom has. If the total number of chocolates with them is 100, then find the number of chocolates with Tom