Class 3 olympiad maths

I am an Even number. I have 4 in the Tens place. I am lesser than 43. What number am I?

Select the Odd one out.

There are 55 students in class 3 of a reputed school. Their class teacher bought _____ number of chocolate, so that she can distribute 2 chocolate to each students.

Good : Blood :: Roof : ?

If a tank can hold 120 ltr of oil and it is 1/2 filled. Then how much  more oil needs to be poured to fill the tank?

Book : Paper :: Pen : ?

Rohit wants to change her 10 rupees note with 50 paise coins. How many coins will he get?

Raja puts 60 plates in the 1st Shelf, 70 plates in the 2nd shelf and 80 plates in the 3rd shelf. If this pattern continues, Then how many plates will he put in the 5th shelf?

Sagarika has 9 bracelets. She lost 1/3 of her bracelets. She purchased another 10 bracelets. How many bracelets does she have now?

Observe the figure carefully. There are certain number of boys and girls had eaten different types of foods as shown in this image. How Many Boys had eaten burger & pizza all together?