310 of the runners in a marathon are Mongolians. 27 of the remaining runners are Greeks, 35 of the rest of the runners are Japanese, 77 are Indians and 19 are Chinese. How many more Mongolians than Chinese runners are there?
| Mongolians |
Remaining runners |
| 3 u |
7 u |
| |
Greeks |
Rest of the runners |
| |
2 u |
5 u |
| |
|
Japanese |
Indians |
Chinese |
| |
|
3 u |
2 u |
| |
|
|
77 |
19 |
Total number of Indians and Chinese
= 77 + 19
= 96
2 u = 96
1 u = 96 ÷ 2 = 48
Number of more Mongolians runners than Chinese runners
= 3 u - 19
= 3 x 48 - 19
= 144 - 19
= 125
Answer(s): 125
