Discussion Forum



Certain relations between different set of elements is given (in terms of 'less than', 'greater than' or 'equal to'), using either the real symbols or substituted symbols. The candidate is required to analyse the given statements and then decide which of the relations given as alternatives follows from those given in the statements.

1)

If A + B = 2C and C + D = 2A,then


A) A + C = B + D

B) A + C = 2 D

C) A + D = B + C

D) A + C = 2B

Answer:

Option A

Explanation:

Given A + B = 2C ........(i)

C + D = 2A ...........(ii)

Adding (i) and (ii) we get A + B +C + D = 2C + 2A => B + D = A +C