It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Can you find out the remainder when 3^300 is divided by 5?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Can it be possible to build a house that has all its four walls facing towards the South?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

Decode below rebus
D
N
A
T
S , D

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

John went to buy some expensive, foreign chocolates. He only had Rs 100 with him. When he reached the shop, he got out and know that on those chocolates, there was a 15% import duty and 5% VAT.

How much worth chocolate should he buy so that he can accommodate it in Rs 100?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?