Direction: Consider the following scenario to answer questions.
A family of four i.e. father, mother and two children went to visit zoo and took Rs 1000 with them. The cost of zoo ticket is Rs 50 per adult and Rs 20 per child. They spent Rs 200 for food and Rs 50 to purchase bananas for monkeys. On returning back, father lost Rs 100 from his purse.
Q. While returning back, father lost Rs 110 from his purse. What is the amount left with father after the zoo visit?
Correct answer is option 'C'. Can you explain this answer?