In Gurugram the ratio of cycle to bike is 7 : 13 and the ratio of bike to car is 19 : 17. The ratio of two wheelers to four wheelers is:
The ratio of cycle to bike in Gurugram = (7 : 13) × 19
And the ratio of bike to car = (19 : 17) × 13
The ratio of cycle, bike and car = 133 : 247 : 221
The ratio of two wheelers to four wheelers = (133 + 247) : 221 = 380 : 221