## Quant Question Of The Day: 93

**Arithmetic **

**Three mathematics classes X,Y and Z take an geometry test. The average of class X is 64, The average of class Y is 80 and the average score of class Z is 76 . The average score of class X and Y is 70 while the average score of class X and Z is 68. What is the ratio of number of students in the class X,Y and Z?**

**(A) 6:10:3
**

**(B) 5:3:1**

**(C) 10:6:5**

**(D) 3:10:1**

Option C

C

c

C

C

c