# Verbal Reasoning - Arithmetic Reasoning - Discussion

### Discussion :: Arithmetic Reasoning - Section 1 (Q.No.11)

11.

A is 3 years older to B and 3 years younger to C, while B and D are twins. How many years older is C to D?

 [A]. 2 [B]. 3 [C]. 6 [D]. 12

Explanation:

Since B and D are twins, so B = D.

Now, A = B + 3 and A = C - 3.

Thus, B + 3 = C - 3 D + 3 = C-3 C - D = 6.

 Dasharath said: (Jan 7, 2012) I didn't get this point explain be clearly.

 Sujit Chowra said: (Jul 30, 2013) Given A= B+3, and C = A+3. C = B+3+3, C= B+6 here B = D So, 6 years older C than D.

 Sanjay said: (Jun 7, 2016) I am not understanding this clearly.

 What said: (Jun 27, 2016) Not getting this. Can anyone help me to get it?

 Gtaja said: (Jul 10, 2016) I couldn't get this. Help me to understand this.

 Chris said: (Dec 2, 2016) Easiest way for me to solve this was by doing the following: A - 3 = B and A + 3 = C, B = D. Let A = 14 14 - 3 = B, so B = 11, therefore D = 11 as B = D 14 + 3 = C, so C = 17. 17(C) - 11(D) = 6, therefore, C is 6 years older than D.

 Srikanth said: (Jan 22, 2017) I didn't get it. Someone help me by the explanation.

 Jamel Telesford said: (Jun 19, 2017) Is there a way for you to do this with only one variable?

 Jayanthi said: (Mar 20, 2018) A=B+3........(1) A=B-3..........(2) B=D...............(3) B+3=B-3, B=-3-3, B=6, 6=D, both D and C are 6.

 Avani said: (Dec 15, 2019) Assume a random number for A. Let it be A = 10. Then B will be 7 (A is 3 years older than B is given in question). Then C will be 13 (A is younger than C by 3 Years is also given). Since B = D. Find different between B and C. ie, 13-7 = 6. Hence we get the diff of C and D = 6.