1. Literally, "Hey there"
2. ধরন = রকম, নানারকম = various
3. ক্ষুধা = খিদে = hunger (noun)
ক্ষুধিত = hungry (noun)
4. What is the most tasty sweet/dessert in your restaurant?
5. The price is not high. Our sweets are of very good quality. Comparatively (to other shops) the price is very low.
7. ঠিক is noun. ঠিকমত is adverb.