What is the ratio of the cost of 1kg of apples from Ropar to the cost of 1kg. of grapes from Chandigarh?

Ravinder had to purchase 45 kg of grapes from Hoshiarpur. The Shopkeeper gave him a discount of 4% per kg. What amount did he pay to the Shopkeeper after the discount?

What total amount will Ram pay to the Shopkeeper for purchasing 3 kg of apples and 2 Kg. of guavas in Delhi?

The cost of 1 kg of guava in Jalandhar is approximately What percent of the cost of 2 kg of grapes in Chandigarh?

In which city is the difference between the cost of 1 kg of apple and the cost of one kg of guava the second lowest? 

What Is the approximate percentage of boys in the school ?