Comprehension Passage
Directions: Study the given table carefully and answer the given questions.
The following table shows the number of mobile covers sold by three persons A, B, and C in three different months March, April, and May.
| Person | March | April | May |
| A | 94 | 72 | 92 |
| B | 120 | 99 | 102 |
| C | 88 | 65 | 70 |
If out of the total mobile covers sold by C in March, the ratio of blue color mobile cover and black color mobile cover sold were 4: 7, then find the number of black color mobile cover sold by C in March.
1
56
2
63
3
70
4
35
5
48