If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

What does this rebus riddle means ?

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

Which wheel of car does not rotate when you turn your car right?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

John was piloting a plane behind a car but was never able to overtake it. Why?