Verbal Reasoning - Mental Ability Questions

In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation.

53 ­ 34 = 5334
65 ­ 46 = 6456
75 ­ 24 = ?

Find the missing number?

How many triangles are there in the given figure?

If EFMIJ means DELHI, then the last letter of the word got by decoding IQBOS is

Select the Missing number?

While posing for a family photo, the father is standing to the right of the son and left of the grandmother. The mother is sitting to the left of her daughter and right of the grandmother. Who is seated in the middle?

How is Sameer related to Akbar if Sameer introduced Akbar as his maternal grandmother's only son's son?

Select the related word/letters/numbers from the given alternatives: DBCE : QOPR :: JLKI : ?