# In an exam the sum of the scores of A and B is 120 :

In an exam the sum of the scores of A and B is 120, that of B and C is 130 and that of C and A is 140. Then the score of C is:

- 65
- 75
- 70
- 60

**Answer: (2) 75**

**Explanation:-**

The sum of the scores of A and B = 120

The sum of the scores of B and C = 130

The sum of the scores C and A = 140

Then, the sum of the scores of A, B and C = (120 + 130 + 140)/2

= 390/2

= 195

The scores of C = The scores of A, B and C – the scores of A and B

= 195 – 120

= 75

Then, the scores of C is 75.

Hence, the answer is (2) 75.