How many tirangles are there in the given figure?

 A – B means ‘A is the mother of B’
 A * B means ‘A is the sister of B’
 A % B means ‘A is the husband of B’
 A $ B means ‘A is the son of B’
 If P – Q – R * S $ T, then how is P related to T?

Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /deleting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)
12 : 20 :: 8 : 12 :: 34 : ?

Which one of the following diagrams represents the relation between Tree, Teak, Salamander?

Directions: Study the following arrangement carefully and answer the questions given below—
1 R Z T 4 A 9 $ D F 1 U # B # 8 H I © X M H 3 2 P $ 5 N P 6 D

Four of the following five are alike in a certain way based on their positions in the above arrangement and so form a group. Which is the one that does not belong to that group?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
 DAF, FED, HIB, ? 

Direction :In each question below are given three four conclusion numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements, disregarding commonly known facts. statements followed by

Statements : No paper is ink .
 No ink is pencil .
 No pencil is eraser .
  Conclusions :
 I . Some papers are pencils .
 II . Some erasers are ink .
 III . Some erasers are not ink .
 IV . No paper is eraser .

Select the option that is related to the third term in the same way as the second term is related to the first term.
$$ {7\over {50}}:{9\over {82}}:: {13\over170}:?$$