Give it food and it will live; give it water and it will die.

I have Rs.50 and I spend it in the way as below.

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

If 1+9+8=1, what is 2+8+9?

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?

Can you replace the question mark with the correct number in the below table sequence?

Take one out and scratch my head, I am now black but once was red. What am I?

I have teeth but i don't bite. Who Am I ?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?