Science Olympiad Test: Analogy - Class 10 MCQ

Here, in each of the 4-digit number, the digit at ten's place is subtracted from the sum of digits at ones, hundreds and thousands place to get the corresponding resultant number.
2836 = 2 + 8 - 3 + 6 = 13
9423 = 9 + 4 - 2 + 3 = 14
7229 = 7 + 2 - 2 + 9 = 16

Oxygen helps in burning while carbon dioxide extinguishes fire.

In the first group, the letters in first two pair of numbers are written in reverse order and third pair of letters is intact.
Similarly, the word GHOST is written as HGSOT.

Both knife and chopper are used for the same purpose i.e. cutting. Similarly, both quilt and blanket are used for protection from cold.

As major heads a battalion, the Colonel commands a regiment.

If there is some difficulties or problems in the machines, then it can be tackled or solved by engineer.
So, we can say Engineer tackles Machine.
In the same way Doctors are best known for treatment of the disease.
Thus, Doctor tackles Disease.
Hence, Doctor is related to Disease.

In each set of letters, the 1st and 3rd letters are consecutive.
Also, C and F have 2 letters in between, so do I and L.

Option D, because they all are unit of weight.

The Common relation between Hamlet : Macbeth : Faustus is as shown below:

• Hamlet: A play written by William Shakespeare.
  The protagonist of Hamlet is Prince Hamlet of Denmark
• Macbeth: A play written by William Shakespeare.
  A brave Scottish general named Macbeth receives a prophecy from a trio of witches that one day he will become King of Scotland.
• Faustus: A play written by Christopher Marlowe.
  The Tragical History of the Life and Death of Doctor Faustus

So, clearly they are characters from various dramas.

Diet (of Japan), Sansad (of India), and Majlis (of Iran) are the names of parliaments of different countries. Similarly, Knesset is also a parliament name of Israel.

These all words are related to sleep.

These all are names of sea birds.

These are all Canadian provinces based on the sides of major rivers.