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# Arithmetic Aptitude :: Numbers

Home > Arithmetic Aptitude > Numbers > Discussion

## 4. In school there are some bicycles and 4 wheeler wagons. One Tuesday there are 58 wheels in the campus. How many bicycles are there?

Explanation :

Let there are B bicycles and W wagons.

Total number of wheels = 2 × B 4 × W

Given 58 wheels ⇒ 2B 4W = 58

⇒ B 2W = 29 …… (Eq.1)

Also given B W = 18 …… (Eq.2)

∴ Eq.1 – Eq.2

⇒ W = 11

⇒ B = 18 – W

⇒ B = 18 – 11 = 7 Bicycles.

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